#B3644E#B3644E

#B3644E is a mid, moderate red. Relative luminance 0.192; OKLCH L 58.9% C 0.108 H 36.4°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#B3644E
RGB	rgb(179, 100, 78)
HSL	hsl(13, 40%, 50%)
HSV	hsv(13, 56%, 70%)
CMYK	cmyk(0%, 44.1%, 56.4%, 29.8%)
CIE-LAB	lab(50.98, 29.61, 26.37)
CIE-LCH	lch(50.98, 39.65, 41.69°)
OKLab	oklab(58.86% 0.0866 0.0639)
OKLCH	oklch(58.86% 0.108 36.4)
XYZ	xyz(24.5245, 19.2506, 9.6304)
Luminance	0.1925 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3644E #4E9DB3

analogous

#B34E6B #B3644E #B3964E

triadic

#B3644E #4EB364 #644EB3

tetradic

#B3644E #6BB34E #4E9DB3 #964EB3

square

#B3644E #6BB34E #4E9DB3 #964EB3

split-complementary

#B3644E #4EB396 #4E6BB3

monochromatic

#5E3428 #894C3B #B3644E #C58979 #D8AFA4

Accessibility & contrast

On white

4.33

#B3644E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#B3644E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3644E

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3644E	#FFFFFF	#000000	##000000
##B3644E	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#786F4C

Deuteranopia (green-blind)

#8B804D

Tritanopia (blue-blind)

#C2575F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #b3644e;
/* rgb */ color: rgb(179, 100, 78);
/* oklch */ color: oklch(58.9% 0.108 36.4);

Tailwind

colors: {
  custom: {
    50: '#ce9180',
    500: '#b3644e',
    950: '#000000',
  },
}

SCSS

$custom: #b3644e;
$custom-light: #ce9180;
$custom-dark: #000000;

JSON

{
  "hex": "#b3644e",
  "rgb": {
    "r": 179,
    "g": 100,
    "b": 78
  },
  "hsl": {
    "h": 13.069,
    "s": 39.921,
    "l": 50.392
  },
  "oklch": {
    "l": 0.58857,
    "c": 0.10764,
    "h": 36.4
  },
  "luminance": 0.19248
}

Semantic roles & 50–950 ramp

primary

#B3644E

secondary

#98BBC5

accent

#B6D058

background

#FDF9F7

surface

#FAF1EE

border

#D3CBC9

text

#140D0A

muted

#837E7C

Preview Lab

Preview with #B3644E

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

Preview Lab → · Contrast checker → · Palette generator →