#B3645F#B3645F

#B3645F is a mid, moderate red. Relative luminance 0.195; OKLCH L 59.2% C 0.103 H 24.5°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#B3645F
RGB	rgb(179, 100, 95)
HSL	hsl(4, 36%, 54%)
HSV	hsv(4, 47%, 70%)
CMYK	cmyk(0%, 44.1%, 46.9%, 29.8%)
CIE-LAB	lab(51.30, 31.20, 16.88)
CIE-LCH	lch(51.30, 35.47, 28.42°)
OKLab	oklab(59.2% 0.0935 0.0426)
OKLCH	oklch(59.2% 0.103 24.5)
XYZ	xyz(25.2147, 19.5267, 13.2653)
Luminance	0.1952 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3645F #5FAEB3

analogous

#B35F84 #B3645F #B38E5F

triadic

#B3645F #5FB364 #645FB3

tetradic

#B3645F #84B35F #5FAEB3 #8E5FB3

square

#B3645F #84B35F #5FAEB3 #8E5FB3

split-complementary

#B3645F #5FB38E #5F84B3

monochromatic

#673431 #904945 #B3645F #C78C88 #DAB4B2

Accessibility & contrast

On white

4.28

#B3645F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#B3645F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3645F

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3645F	#FFFFFF	#000000	##000000
##B3645F	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#75705E

Deuteranopia (green-blind)

#89805E

Tritanopia (blue-blind)

#C15963

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #b3645f;
/* rgb */ color: rgb(179, 100, 95);
/* oklch */ color: oklch(59.2% 0.103 24.5);

Tailwind

colors: {
  custom: {
    50: '#cd918c',
    500: '#b3645f',
    950: '#000000',
  },
}

SCSS

$custom: #b3645f;
$custom-light: #cd918c;
$custom-dark: #000000;

JSON

{
  "hex": "#b3645f",
  "rgb": {
    "r": 179,
    "g": 100,
    "b": 95
  },
  "hsl": {
    "h": 3.571,
    "s": 35.593,
    "l": 53.725
  },
  "oklch": {
    "l": 0.59204,
    "c": 0.10276,
    "h": 24.5
  },
  "luminance": 0.19524
}

Semantic roles & 50–950 ramp

primary

#B3645F

secondary

#A5C7C9

accent

#C5CC5C

background

#FDF9F8

surface

#FAF1F0

border

#D3CBCB

text

#140D0C

muted

#837E7D

Preview Lab

Preview with #B3645F

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

Preview Lab → · Contrast checker → · Palette generator →