#B23F30#B23F30

#B23F30 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.153 H 30.3°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B23F30
RGB	rgb(178, 63, 48)
HSL	hsl(7, 58%, 44%)
HSV	hsv(7, 73%, 70%)
CMYK	cmyk(0%, 64.6%, 73%, 30.2%)
CIE-LAB	lab(43.12, 45.88, 34.02)
CIE-LCH	lch(43.12, 57.12, 36.56°)
OKLab	oklab(52.72% 0.1318 0.077)
OKLCH	oklch(52.72% 0.153 30.3)
XYZ	xyz(20.6733, 13.2363, 4.2620)
Luminance	0.1323 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23F30 #30A3B2

analogous

#B23062 #B23F30 #B28030

triadic

#B23F30 #30B23F #3F30B2

tetradic

#B23F30 #62B230 #30A3B2 #8030B2

square

#B23F30 #62B230 #30A3B2 #8030B2

split-complementary

#B23F30 #30B280 #3062B2

monochromatic

#521D16 #822E23 #B23F30 #D05E50 #DD8A80

Accessibility & contrast

On white

5.76

#B23F30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B23F30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23F30

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23F30	#FFFFFF	#000000	##FFFFFF
##B23F30	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562E

Deuteranopia (green-blind)

#7B6F2C

Tritanopia (blue-blind)

#C4223C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b23f30;
/* rgb */ color: rgb(178, 63, 48);
/* oklch */ color: oklch(52.7% 0.153 30.3);

Tailwind

colors: {
  custom: {
    50: '#d17a69',
    500: '#b23f30',
    950: '#000000',
  },
}

SCSS

$custom: #b23f30;
$custom-light: #d17a69;
$custom-dark: #000000;

JSON

{
  "hex": "#b23f30",
  "rgb": {
    "r": 178,
    "g": 63,
    "b": 48
  },
  "hsl": {
    "h": 6.923,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.52715,
    "c": 0.15262,
    "h": 30.3
  },
  "luminance": 0.13233
}

Semantic roles & 50–950 ramp

primary

#B23F30

secondary

#78BDC6

accent

#CFE147

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B23F30

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

Preview Lab → · Contrast checker → · Palette generator →