#B23F1E#B23F1E

#B23F1E is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.5% C 0.156 H 36.2°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B23F1E
RGB	rgb(178, 63, 30)
HSL	hsl(13, 71%, 41%)
HSV	hsv(13, 83%, 70%)
CMYK	cmyk(0%, 64.6%, 83.1%, 30.2%)
CIE-LAB	lab(42.94, 45.19, 43.39)
CIE-LCH	lch(42.94, 62.65, 43.83°)
OKLab	oklab(52.52% 0.1262 0.0923)
OKLCH	oklch(52.52% 0.156 36.2)
XYZ	xyz(20.3743, 13.1167, 2.6870)
Luminance	0.1311 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23F1E #1E91B2

analogous

#B21E47 #B23F1E #B2891E

triadic

#B23F1E #1EB23F #3F1EB2

tetradic

#B23F1E #47B21E #1E91B2 #891EB2

square

#B23F1E #47B21E #1E91B2 #891EB2

split-complementary

#B23F1E #1EB289 #1E47B2

monochromatic

#491A0C #7E2C15 #B23F1E #DC5731 #E58265

Accessibility & contrast

On white

5.80

#B23F1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B23F1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23F1E

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23F1E	#FFFFFF	#000000	##FFFFFF
##B23F1E	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605519

Deuteranopia (green-blind)

#7D6F19

Tritanopia (blue-blind)

#C41E39

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23f1e;
/* rgb */ color: rgb(178, 63, 30);
/* oklch */ color: oklch(52.5% 0.156 36.2);

Tailwind

colors: {
  custom: {
    50: '#d2795d',
    500: '#b23f1e',
    950: '#000000',
  },
}

SCSS

$custom: #b23f1e;
$custom-light: #d2795d;
$custom-dark: #000000;

JSON

{
  "hex": "#b23f1e",
  "rgb": {
    "r": 178,
    "g": 63,
    "b": 30
  },
  "hsl": {
    "h": 13.378,
    "s": 71.154,
    "l": 40.784
  },
  "oklch": {
    "l": 0.52524,
    "c": 0.15639,
    "h": 36.2
  },
  "luminance": 0.13114
}

Semantic roles & 50–950 ramp

primary

#B23F1E

secondary

#62B3CA

accent

#C6EE3A

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B23F1E

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

Preview Lab → · Contrast checker → · Palette generator →