#CB3957#CB3957

#CB3957 is a mid, vivid red. Relative luminance 0.163; OKLCH L 56.9% C 0.182 H 13.4°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#CB3957
RGB	rgb(203, 57, 87)
HSL	hsl(348, 58%, 51%)
HSV	hsv(348, 72%, 80%)
CMYK	cmyk(0%, 71.9%, 57.1%, 20.4%)
CIE-LAB	lab(47.38, 58.75, 16.99)
CIE-LCH	lch(47.38, 61.15, 16.13°)
OKLab	oklab(56.95% 0.177 0.0422)
OKLCH	oklch(56.95% 0.182 13.4)
XYZ	xyz(27.8147, 16.3148, 10.6994)
Luminance	0.1631 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3957 #39CBAD

analogous

#CB39A0 #CB3957 #CB6439

triadic

#CB3957 #57CB39 #3957CB

tetradic

#CB3957 #A0CB39 #39CBAD #6439CB

square

#CB3957 #A0CB39 #39CBAD #6439CB

split-complementary

#CB3957 #39CB64 #39A0CB

monochromatic

#6D1D2D #9D2941 #CB3957 #D86980 #E49AA9

Accessibility & contrast

On white

4.93

#CB3957 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#CB3957 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3957

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3957	#FFFFFF	#000000	##FFFFFF
##CB3957	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5D57

Deuteranopia (green-blind)

#857B53

Tritanopia (blue-blind)

#DE1045

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3957;
/* rgb */ color: rgb(203, 57, 87);
/* oklch */ color: oklch(56.9% 0.182 13.4);

Tailwind

colors: {
  custom: {
    50: '#e27a86',
    500: '#cb3957',
    950: '#000000',
  },
}

SCSS

$custom: #cb3957;
$custom-light: #e27a86;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3957",
  "rgb": {
    "r": 203,
    "g": 57,
    "b": 87
  },
  "hsl": {
    "h": 347.671,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56946,
    "c": 0.18199,
    "h": 13.4
  },
  "luminance": 0.16311
}

Semantic roles & 50–950 ramp

primary

#CB3957

secondary

#90D0C3

accent

#E2C246

background

#FEF7F8

surface

#FDEEEF

border

#D5C9CA

text

#170A0B

muted

#857C7C

Preview Lab

Preview with #CB3957

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

Preview Lab → · Contrast checker → · Palette generator →