#CB4540#CB4540

#CB4540 is a mid, vivid red. Relative luminance 0.173; OKLCH L 57.8% C 0.171 H 26.1°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#CB4540
RGB	rgb(203, 69, 64)
HSL	hsl(2, 57%, 52%)
HSV	hsv(2, 68%, 80%)
CMYK	cmyk(0%, 66%, 68.5%, 20.4%)
CIE-LAB	lab(48.67, 52.69, 32.40)
CIE-LCH	lch(48.67, 61.86, 31.59°)
OKLab	oklab(57.77% 0.1535 0.0752)
OKLCH	oklch(57.77% 0.171 26.1)
XYZ	xyz(27.6850, 17.3269, 6.7361)
Luminance	0.1732 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4540 #40C6CB

analogous

#CB4081 #CB4540 #CB8A40

triadic

#CB4540 #40CB45 #4540CB

tetradic

#CB4540 #81CB40 #40C6CB #8A40CB

square

#CB4540 #81CB40 #40C6CB #8A40CB

split-complementary

#CB4540 #40CB8A #4081CB

monochromatic

#72221F #A2302C #CB4540 #D87470 #E5A3A0

Accessibility & contrast

On white

4.70

#CB4540 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#CB4540 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4540

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4540	#FFFFFF	#000000	##FFFFFF
##CB4540	1.00	4.70	4.46	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A613E

Deuteranopia (green-blind)

#8B7E3C

Tritanopia (blue-blind)

#DF2245

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #cb4540;
/* rgb */ color: rgb(203, 69, 64);
/* oklch */ color: oklch(57.8% 0.171 26.1);

Tailwind

colors: {
  custom: {
    50: '#e28075',
    500: '#cb4540',
    950: '#000000',
  },
}

SCSS

$custom: #cb4540;
$custom-light: #e28075;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4540",
  "rgb": {
    "r": 203,
    "g": 69,
    "b": 64
  },
  "hsl": {
    "h": 2.158,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57774,
    "c": 0.17089,
    "h": 26.1
  },
  "luminance": 0.17323
}

Semantic roles & 50–950 ramp

primary

#CB4540

secondary

#95CFD2

accent

#DBE047

background

#FFF8F7

surface

#FEEFED

border

#D6CAC8

text

#170B08

muted

#857C7B

Preview Lab

Preview with #CB4540

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

Preview Lab → · Contrast checker → · Palette generator →