#B7314B#B7314B

#B7314B is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.5% C 0.170 H 14.4°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#B7314B
RGB	rgb(183, 49, 75)
HSL	hsl(348, 58%, 45%)
HSV	hsv(348, 73%, 72%)
CMYK	cmyk(0%, 73.2%, 59%, 28.2%)
CIE-LAB	lab(42.42, 54.70, 17.07)
CIE-LCH	lch(42.42, 57.31, 17.33°)
OKLab	oklab(52.51% 0.1645 0.0421)
OKLCH	oklch(52.51% 0.17 14.4)
XYZ	xyz(21.8989, 12.7750, 7.9679)
Luminance	0.1277 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7314B #31B79D

analogous

#B7318E #B7314B #B75A31

triadic

#B7314B #4BB731 #314BB7

tetradic

#B7314B #8EB731 #31B79D #5A31B7

square

#B7314B #8EB731 #31B79D #5A31B7

split-complementary

#B7314B #31B75A #318EB7

monochromatic

#561723 #872437 #B7314B #D1546C #DE8496

Accessibility & contrast

On white

5.91

#B7314B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B7314B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7314B

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7314B	#FFFFFF	#000000	##FFFFFF
##B7314B	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55524B

Deuteranopia (green-blind)

#776E47

Tritanopia (blue-blind)

#C8063C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b7314b;
/* rgb */ color: rgb(183, 49, 75);
/* oklch */ color: oklch(52.5% 0.170 14.4);

Tailwind

colors: {
  custom: {
    50: '#d3747d',
    500: '#b7314b',
    950: '#000000',
  },
}

SCSS

$custom: #b7314b;
$custom-light: #d3747d;
$custom-dark: #000000;

JSON

{
  "hex": "#b7314b",
  "rgb": {
    "r": 183,
    "g": 49,
    "b": 75
  },
  "hsl": {
    "h": 348.358,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52507,
    "c": 0.16977,
    "h": 14.4
  },
  "luminance": 0.12772
}

Semantic roles & 50–950 ramp

primary

#B7314B

secondary

#7CC8B9

accent

#E1C347

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B7314B

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

Preview Lab → · Contrast checker → · Palette generator →