Colors

#FF0000

Red

Red is #FF0000. In CSS you can write it as the keyword red. The values below are the same sRGB color in HEX, RGB, HSL, HSV, a simple CMYK conversion, and OKLCH. CMYK here is a channel formula for reference, not a press proof.

Conversions

HEX
#FF0000
RGB
rgb(255, 0, 0)
HSL
hsl(0,100%,50%)
HSV
hsv(0, 100%, 100%)
CMYK
cmyk(0,100,100,0)
OKLCH
oklch(62.8% 0.258 29.2)

Tints and shades

Tints mix this color toward white. Shades mix it toward black in sRGB. For a 50–950 ramp, open the tint and shade generator.

Tints

#FF3333

20% white

#FF6666

40% white

#FF9999

60% white

#FFCCCC

80% white

Shades

#CC0000

20% black

#990000

40% black

#660000

60% black

#330000

80% black

Harmony palettes

These schemes rotate hue from Red. Read the relationships in color theory 101 or adjust them on the color wheel.

#FF0000

#00FFFF

#E46767

#67E4E4

#862D2D

#FF0080

#FF0000

#FF8000

#FFFF00

#EC13EC

#FF0000

#00FF00

#0000FF

#67E467

#1F1FAD

Split Complementary

Open in palette generator

#FF0000

#00FF80

#0080FF

#E08585

#2D8686

#660000

#B30000

#FF0000

#FF4D4D

#FF9999

#FF0000

#80FF00

#00FFFF

#8000FF

#9EDD5F

Contrast against white and black

Ratios use the WCAG relative-luminance formula. AA normal text needs 4.5:1 and large text needs 3:1 under Success Criterion 1.4.3. AAA uses 7:1 and 4.5:1. A pass here is only this pair, not a full page audit. Check other pairings in the contrast checker.

On white · 4.00:1
AA normal text Fail
AA large text Pass
AAA normal text Fail
AAA large text Fail
On black · 5.25:1
AA normal text Pass
AA large text Pass
AAA normal text Fail
AAA large text Pass

Similar named colors

Nearest CSS named colors by RGB distance. Distance is not a perceptual match.

Use this color