#C03831#C03831

#C03831 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.3% C 0.174 H 27.5°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#C03831
RGB	rgb(192, 56, 49)
HSL	hsl(3, 59%, 47%)
HSV	hsv(3, 74%, 75%)
CMYK	cmyk(0%, 70.8%, 74.5%, 24.7%)
CIE-LAB	lab(44.60, 53.53, 35.81)
CIE-LCH	lch(44.60, 64.40, 33.78°)
OKLab	oklab(54.3% 0.1543 0.0803)
OKLCH	oklch(54.3% 0.174 27.5)
XYZ	xyz(23.7095, 14.2601, 4.4092)
Luminance	0.1426 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03831 #31B9C0

analogous

#C03172 #C03831 #C08031

triadic

#C03831 #31C038 #3831C0

tetradic

#C03831 #72C031 #31B9C0 #8031C0

square

#C03831 #72C031 #31B9C0 #8031C0

split-complementary

#C03831 #31C080 #3172C0

monochromatic

#5E1C18 #8F2A25 #C03831 #D55F59 #E18E8A

Accessibility & contrast

On white

5.45

#C03831 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#C03831 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03831

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03831	#FFFFFF	#000000	##FFFFFF
##C03831	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F572F

Deuteranopia (green-blind)

#81742C

Tritanopia (blue-blind)

#D30038

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #c03831;
/* rgb */ color: rgb(192, 56, 49);
/* oklch */ color: oklch(54.3% 0.174 27.5);

Tailwind

colors: {
  custom: {
    50: '#dc786a',
    500: '#c03831',
    950: '#000000',
  },
}

SCSS

$custom: #c03831;
$custom-light: #dc786a;
$custom-dark: #000000;

JSON

{
  "hex": "#c03831",
  "rgb": {
    "r": 192,
    "g": 56,
    "b": 49
  },
  "hsl": {
    "h": 2.937,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.54302,
    "c": 0.17396,
    "h": 27.5
  },
  "luminance": 0.14257
}

Semantic roles & 50–950 ramp

primary

#C03831

secondary

#82C8CB

accent

#DBE345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C03831

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

Preview Lab → · Contrast checker → · Palette generator →