#B13741#B13741

#B13741 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.157 H 20.0°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#B13741
RGB	rgb(177, 55, 65)
HSL	hsl(355, 53%, 45%)
HSV	hsv(355, 69%, 69%)
CMYK	cmyk(0%, 68.9%, 63.3%, 30.6%)
CIE-LAB	lab(41.94, 49.87, 22.43)
CIE-LCH	lch(41.94, 54.68, 24.22°)
OKLab	oklab(51.89% 0.1479 0.0539)
OKLCH	oklch(51.89% 0.157 20)
XYZ	xyz(20.4538, 12.4640, 6.3288)
Luminance	0.1246 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13741 #37B1A7

analogous

#B1377E #B13741 #B16A37

triadic

#B13741 #41B137 #3741B1

tetradic

#B13741 #7EB137 #37B1A7 #6A37B1

square

#B13741 #7EB137 #37B1A7 #6A37B1

split-complementary

#B13741 #37B16A #377EB1

monochromatic

#541A1F #822830 #B13741 #CC5A63 #DA888F

Accessibility & contrast

On white

6.01

#B13741 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B13741 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13741

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13741	#FFFFFF	#000000	##FFFFFF
##B13741	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575341

Deuteranopia (green-blind)

#766C3E

Tritanopia (blue-blind)

#C2183C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b13741;
/* rgb */ color: rgb(177, 55, 65);
/* oklch */ color: oklch(51.9% 0.157 20.0);

Tailwind

colors: {
  custom: {
    50: '#cf7675',
    500: '#b13741',
    950: '#000000',
  },
}

SCSS

$custom: #b13741;
$custom-light: #cf7675;
$custom-dark: #000000;

JSON

{
  "hex": "#b13741",
  "rgb": {
    "r": 177,
    "g": 55,
    "b": 65
  },
  "hsl": {
    "h": 355.082,
    "s": 52.586,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51885,
    "c": 0.15742,
    "h": 20
  },
  "luminance": 0.12461
}

Semantic roles & 50–950 ramp

primary

#B13741

secondary

#80C4BF

accent

#DCD04C

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B13741

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

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