#643B15#643B15

#643B15 is a dark, moderate orange. Relative luminance 0.059; OKLCH L 39.5% C 0.077 H 59.9°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#643B15
RGB	rgb(100, 59, 21)
HSL	hsl(29, 65%, 24%)
HSV	hsv(29, 79%, 39%)
CMYK	cmyk(0%, 41%, 79%, 60.8%)
CIE-LAB	lab(29.14, 14.57, 30.09)
CIE-LCH	lch(29.14, 33.44, 64.16°)
OKLab	oklab(39.45% 0.0387 0.0668)
OKLCH	oklch(39.45% 0.077 59.9)
XYZ	xyz(6.9554, 5.8921, 1.4803)
Luminance	0.0589 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643B15 #153E64

analogous

#641516 #643B15 #646215

triadic

#643B15 #15643B #3B1564

tetradic

#643B15 #166415 #153E64 #621564

square

#643B15 #166415 #153E64 #621564

split-complementary

#643B15 #156462 #151664

monochromatic

#190F05 #311D0A #643B15 #975920 #C9772A

Accessibility & contrast

On white

9.64

#643B15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#643B15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643B15

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643B15	#FFFFFF	#000000	##FFFFFF
##643B15	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#483F10

Deuteranopia (green-blind)

#514815

Tritanopia (blue-blind)

#6E3233

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #643b15;
/* rgb */ color: rgb(100, 59, 21);
/* oklch */ color: oklch(39.5% 0.077 59.9);

Tailwind

colors: {
  custom: {
    50: '#947155',
    500: '#643b15',
    950: '#000000',
  },
}

SCSS

$custom: #643b15;
$custom-light: #947155;
$custom-dark: #000000;

JSON

{
  "hex": "#643b15",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 21
  },
  "hsl": {
    "h": 28.861,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.39451,
    "c": 0.07724,
    "h": 59.9
  },
  "luminance": 0.05891
}

Semantic roles & 50–950 ramp

primary

#643B15

secondary

#3A6C9B

accent

#97E840

background

#F9F6F5

surface

#F2ECE8

border

#CCC7C4

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643B15

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

Preview Lab → · Contrast checker → · Palette generator →