#631623#631623

#631623 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.6% C 0.109 H 16.0°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#631623
RGB	rgb(99, 22, 35)
HSL	hsl(350, 64%, 24%)
HSV	hsv(350, 78%, 39%)
CMYK	cmyk(0%, 77.8%, 64.6%, 61.2%)
CIE-LAB	lab(21.39, 34.97, 12.28)
CIE-LCH	lch(21.39, 37.06, 19.35°)
OKLab	oklab(33.6% 0.1047 0.03)
OKLCH	oklch(33.6% 0.109 16)
XYZ	xyz(5.7365, 3.3486, 1.9341)
Luminance	0.0335 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631623 #166356

analogous

#631649 #631623 #632F16

triadic

#631623 #236316 #162363

tetradic

#631623 #496316 #166356 #2F1663

square

#631623 #496316 #166356 #2F1663

split-complementary

#631623 #16632F #164963

monochromatic

#190609 #310B11 #631623 #952135 #C72C46

Accessibility & contrast

On white

12.58

#631623 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#631623 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631623

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631623	#FFFFFF	#000000	##FFFFFF
##631623	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2923

Deuteranopia (green-blind)

#3E3921

Tritanopia (blue-blind)

#6D011B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #631623;
/* rgb */ color: rgb(99, 22, 35);
/* oklch */ color: oklch(33.6% 0.109 16.0);

Tailwind

colors: {
  custom: {
    50: '#955a5d',
    500: '#631623',
    950: '#000000',
  },
}

SCSS

$custom: #631623;
$custom-light: #955a5d;
$custom-dark: #000000;

JSON

{
  "hex": "#631623",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 35
  },
  "hsl": {
    "h": 349.87,
    "s": 63.636,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33599,
    "c": 0.1089,
    "h": 16
  },
  "luminance": 0.03348
}

Semantic roles & 50–950 ramp

primary

#631623

secondary

#3B9A8A

accent

#E7CB41

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #631623

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

Preview Lab → · Contrast checker → · Palette generator →