#631611#631611

#631611 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.3% C 0.111 H 28.4°. Best body text is #FFFFFF at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#631611
RGB	rgb(99, 22, 17)
HSL	hsl(4, 71%, 23%)
HSV	hsv(4, 83%, 39%)
CMYK	cmyk(0%, 77.8%, 82.8%, 61.2%)
CIE-LAB	lab(21.09, 33.94, 23.92)
CIE-LCH	lch(21.09, 41.52, 35.17°)
OKLab	oklab(33.28% 0.0972 0.0526)
OKLCH	oklch(33.28% 0.111 28.4)
XYZ	xyz(5.5343, 3.2678, 0.8695)
Luminance	0.0327 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631611 #115E63

analogous

#631135 #631611 #633F11

triadic

#631611 #116316 #161163

tetradic

#631611 #356311 #115E63 #3F1163

square

#631611 #356311 #115E63 #3F1163

split-complementary

#631611 #11633F #113563

monochromatic

#1A0604 #2F0A08 #631611 #97221A #CB2D23

Accessibility & contrast

On white

12.70

#631611 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#631611 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631611

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631611	#FFFFFF	#000000	##FFFFFF
##631611	1.00	12.70	1.65	12.70
#FFFFFF	12.70	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2810

Deuteranopia (green-blind)

#40390E

Tritanopia (blue-blind)

#6E0016

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #631611;
/* rgb */ color: rgb(99, 22, 17);
/* oklch */ color: oklch(33.3% 0.111 28.4);

Tailwind

colors: {
  custom: {
    50: '#965a4f',
    500: '#631611',
    950: '#000000',
  },
}

SCSS

$custom: #631611;
$custom-light: #965a4f;
$custom-dark: #000000;

JSON

{
  "hex": "#631611",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 17
  },
  "hsl": {
    "h": 3.659,
    "s": 70.69,
    "l": 22.745
  },
  "oklch": {
    "l": 0.33276,
    "c": 0.11054,
    "h": 28.4
  },
  "luminance": 0.03267
}

Semantic roles & 50–950 ramp

primary

#631611

secondary

#34959B

accent

#E3ED3A

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #631611

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

Preview Lab → · Contrast checker → · Palette generator →