#B23D1F#B23D1F

#B23D1F is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.158 H 35.1°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B23D1F
RGB	rgb(178, 61, 31)
HSL	hsl(12, 70%, 41%)
HSV	hsv(12, 83%, 70%)
CMYK	cmyk(0%, 65.7%, 82.6%, 30.2%)
CIE-LAB	lab(42.62, 46.10, 42.61)
CIE-LCH	lch(42.62, 62.78, 42.74°)
OKLab	oklab(52.29% 0.1292 0.0909)
OKLCH	oklch(52.29% 0.158 35.1)
XYZ	xyz(20.2785, 12.9044, 2.7191)
Luminance	0.1290 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23D1F #1F94B2

analogous

#B21F4A #B23D1F #B2861F

triadic

#B23D1F #1FB23D #3D1FB2

tetradic

#B23D1F #4AB21F #1F94B2 #861FB2

square

#B23D1F #4AB21F #1F94B2 #861FB2

split-complementary

#B23D1F #1FB286 #1F4AB2

monochromatic

#4A190D #7E2B16 #B23D1F #DB5533 #E58167

Accessibility & contrast

On white

5.87

#B23D1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B23D1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23D1F

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23D1F	#FFFFFF	#000000	##FFFFFF
##B23D1F	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F541A

Deuteranopia (green-blind)

#7C6E19

Tritanopia (blue-blind)

#C41A37

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23d1f;
/* rgb */ color: rgb(178, 61, 31);
/* oklch */ color: oklch(52.3% 0.158 35.1);

Tailwind

colors: {
  custom: {
    50: '#d2785d',
    500: '#b23d1f',
    950: '#000000',
  },
}

SCSS

$custom: #b23d1f;
$custom-light: #d2785d;
$custom-dark: #000000;

JSON

{
  "hex": "#b23d1f",
  "rgb": {
    "r": 178,
    "g": 61,
    "b": 31
  },
  "hsl": {
    "h": 12.245,
    "s": 70.335,
    "l": 40.98
  },
  "oklch": {
    "l": 0.52286,
    "c": 0.158,
    "h": 35.1
  },
  "luminance": 0.12901
}

Semantic roles & 50–950 ramp

primary

#B23D1F

secondary

#63B5CA

accent

#C9ED3B

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B23D1F

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

Preview Lab → · Contrast checker → · Palette generator →