#CF4138#CF4138

#CF4138 is a mid, vivid red. Relative luminance 0.173; OKLCH L 57.9% C 0.180 H 27.8°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX#CF4138
RGBrgb(207, 65, 56)
HSLhsl(4, 61%, 52%)
HSVhsv(4, 73%, 81%)
CMYKcmyk(0%, 68.6%, 72.9%, 18.8%)
CIE-LABlab(48.68, 55.24, 37.16)
CIE-LCHlch(48.68, 66.58, 33.93°)
OKLaboklab(57.88% 0.1594 0.0839)
OKLCHoklch(57.88% 0.18 27.8)
XYZxyz(28.3394, 17.3357, 5.5945)
Luminance0.1733 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CF4138 #38C6CF
analogous
#CF387B #CF4138 #CF8D38
triadic
#CF4138 #38CF41 #4138CF
tetradic
#CF4138 #7BCF38 #38C6CF #8D38CF
square
#CF4138 #7BCF38 #38C6CF #8D38CF
split-complementary
#CF4138 #38CF8D #387BCF
monochromatic
#71201B #A32F27 #CF4138 #DB7069 #E79F9B

Accessibility & contrast

On white

4.70
#CF4138 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.47
#CF4138 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF4138
4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CF4138#FFFFFF#000000##FFFFFF
##CF41381.004.704.474.70
#FFFFFF4.701.0021.001.00
#0000004.4721.001.0021.00
##FFFFFF4.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#696036
Deuteranopia (green-blind)
#8D7F33
Tritanopia (blue-blind)
#E41240
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #cf4138;
/* rgb */ color: rgb(207, 65, 56);
/* oklch */ color: oklch(57.9% 0.180 27.8);
Tailwind
colors: {
  custom: {
    50: '#e67e6f',
    500: '#cf4138',
    950: '#000000',
  },
}
SCSS
$custom: #cf4138;
$custom-light: #e67e6f;
$custom-dark: #000000;
JSON
{
  "hex": "#cf4138",
  "rgb": {
    "r": 207,
    "g": 65,
    "b": 56
  },
  "hsl": {
    "h": 3.576,
    "s": 61.134,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5788,
    "c": 0.18012,
    "h": 27.8
  },
  "luminance": 0.17332
}

Semantic roles & 50–950 ramp

primary
#CF4138
secondary
#90CFD3
accent
#DBE444
background
#FFF8F6
surface
#FFEFEC
border
#D7CAC7
text
#170A07
muted
#857C7A

Preview Lab

Preview with #CF4138

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

Preview Lab → · Contrast checker → · Palette generator →

#CF4138 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva