#CF3A30#CF3A30

#CF3A30 is a mid, vivid red. Relative luminance 0.165; OKLCH L 57.1% C 0.188 H 28.4°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#CF3A30
RGB	rgb(207, 58, 48)
HSL	hsl(4, 62%, 50%)
HSV	hsv(4, 77%, 81%)
CMYK	cmyk(0%, 72%, 76.8%, 18.8%)
CIE-LAB	lab(47.64, 57.54, 40.47)
CIE-LCH	lch(47.64, 70.34, 35.12°)
OKLab	oklab(57.07% 0.165 0.0892)
OKLCH	oklch(57.07% 0.188 28.4)
XYZ	xyz(27.7819, 16.5092, 4.5195)
Luminance	0.1651 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF3A30 #30C5CF

analogous

#CF3075 #CF3A30 #CF8A30

triadic

#CF3A30 #30CF3A #3A30CF

tetradic

#CF3A30 #75CF30 #30C5CF #8A30CF

square

#CF3A30 #75CF30 #30C5CF #8A30CF

split-complementary

#CF3A30 #30CF8A #3075CF

monochromatic

#6C1E19 #9D2C24 #CF3A30 #DB6962 #E69993

Accessibility & contrast

On white

4.88

#CF3A30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#CF3A30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF3A30

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF3A30	#FFFFFF	#000000	##FFFFFF
##CF3A30	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665C2D

Deuteranopia (green-blind)

#8B7D2A

Tritanopia (blue-blind)

#E40039

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cf3a30;
/* rgb */ color: rgb(207, 58, 48);
/* oklch */ color: oklch(57.1% 0.188 28.4);

Tailwind

colors: {
  custom: {
    50: '#e77a69',
    500: '#cf3a30',
    950: '#000000',
  },
}

SCSS

$custom: #cf3a30;
$custom-light: #e77a69;
$custom-dark: #000000;

JSON

{
  "hex": "#cf3a30",
  "rgb": {
    "r": 207,
    "g": 58,
    "b": 48
  },
  "hsl": {
    "h": 3.774,
    "s": 62.353,
    "l": 50
  },
  "oklch": {
    "l": 0.5707,
    "c": 0.18752,
    "h": 28.4
  },
  "luminance": 0.16505
}

Semantic roles & 50–950 ramp

primary

#CF3A30

secondary

#8ACDD1

accent

#DBE542

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A06

muted

#867C7A

Preview Lab

Preview with #CF3A30

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →