#B74331#B74331

#B74331 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.1% C 0.154 H 31.3°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#B74331
RGB	rgb(183, 67, 49)
HSL	hsl(8, 58%, 45%)
HSV	hsv(8, 73%, 72%)
CMYK	cmyk(0%, 63.4%, 73.2%, 28.2%)
CIE-LAB	lab(44.67, 45.92, 35.44)
CIE-LCH	lch(44.67, 58.00, 37.66°)
OKLab	oklab(54.05% 0.1315 0.08)
OKLCH	oklch(54.05% 0.154 31.3)
XYZ	xyz(22.0923, 14.3064, 4.5032)
Luminance	0.1430 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B74331 #31A5B7

analogous

#B73162 #B74331 #B78631

triadic

#B74331 #31B743 #4331B7

tetradic

#B74331 #62B731 #31A5B7 #8631B7

square

#B74331 #62B731 #31A5B7 #8631B7

split-complementary

#B74331 #31B786 #3162B7

monochromatic

#562017 #873124 #B74331 #D16554 #DE9084

Accessibility & contrast

On white

5.44

#B74331 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#B74331 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74331

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B74331	#FFFFFF	#000000	##FFFFFF
##B74331	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635A2E

Deuteranopia (green-blind)

#80732D

Tritanopia (blue-blind)

#C9263F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b74331;
/* rgb */ color: rgb(183, 67, 49);
/* oklch */ color: oklch(54.1% 0.154 31.3);

Tailwind

colors: {
  custom: {
    50: '#d47c6a',
    500: '#b74331',
    950: '#000000',
  },
}

SCSS

$custom: #b74331;
$custom-light: #d47c6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b74331",
  "rgb": {
    "r": 183,
    "g": 67,
    "b": 49
  },
  "hsl": {
    "h": 8.06,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.54052,
    "c": 0.15395,
    "h": 31.3
  },
  "luminance": 0.14303
}

Semantic roles & 50–950 ramp

primary

#B74331

secondary

#7CBDC8

accent

#CCE147

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B74331

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

Preview Lab → · Contrast checker → · Palette generator →