#CB3C39#CB3C39

#CB3C39 is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.7% C 0.180 H 26.0°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#CB3C39
RGB	rgb(203, 60, 57)
HSL	hsl(1, 58%, 51%)
HSV	hsv(1, 72%, 80%)
CMYK	cmyk(0%, 70.4%, 71.9%, 20.4%)
CIE-LAB	lab(47.27, 55.90, 34.79)
CIE-LCH	lch(47.27, 65.85, 31.90°)
OKLab	oklab(56.7% 0.1622 0.0792)
OKLCH	oklch(56.7% 0.18 26)
XYZ	xyz(26.9860, 16.2277, 5.5814)
Luminance	0.1622 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3C39 #39C8CB

analogous

#CB397F #CB3C39 #CB8539

triadic

#CB3C39 #39CB3C #3C39CB

tetradic

#CB3C39 #7FCB39 #39C8CB #8539CB

square

#CB3C39 #7FCB39 #39C8CB #8539CB

split-complementary

#CB3C39 #39CB85 #397FCB

monochromatic

#6D1E1D #9D2C29 #CB3C39 #D86C69 #E49B9A

Accessibility & contrast

On white

4.95

#CB3C39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#CB3C39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3C39

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3C39	#FFFFFF	#000000	##FFFFFF
##CB3C39	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C37

Deuteranopia (green-blind)

#897B34

Tritanopia (blue-blind)

#DF043D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3c39;
/* rgb */ color: rgb(203, 60, 57);
/* oklch */ color: oklch(56.7% 0.180 26.0);

Tailwind

colors: {
  custom: {
    50: '#e37b70',
    500: '#cb3c39',
    950: '#000000',
  },
}

SCSS

$custom: #cb3c39;
$custom-light: #e37b70;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3c39",
  "rgb": {
    "r": 203,
    "g": 60,
    "b": 57
  },
  "hsl": {
    "h": 1.233,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56698,
    "c": 0.18046,
    "h": 26
  },
  "luminance": 0.16224
}

Semantic roles & 50–950 ramp

primary

#CB3C39

secondary

#90CFD0

accent

#DEE246

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB3C39

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

Preview Lab → · Contrast checker → · Palette generator →