#643510#643510

#643510 is a dark, moderate orange. Relative luminance 0.053; OKLCH L 38.2% C 0.083 H 54.5°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#643510
RGB	rgb(100, 53, 16)
HSL	hsl(26, 72%, 23%)
HSV	hsv(26, 84%, 39%)
CMYK	cmyk(0%, 47%, 84%, 60.8%)
CIE-LAB	lab(27.56, 18.01, 31.05)
CIE-LCH	lch(27.56, 35.89, 59.89°)
OKLab	oklab(38.21% 0.0482 0.0675)
OKLCH	oklch(38.21% 0.083 54.5)
XYZ	xyz(6.6228, 5.2937, 1.1631)
Luminance	0.0529 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643510 #103F64

analogous

#641015 #643510 #645F10

triadic

#643510 #106435 #351064

tetradic

#643510 #156410 #103F64 #5F1064

square

#643510 #156410 #103F64 #5F1064

split-complementary

#643510 #10645F #101564

monochromatic

#1A0E04 #2F1908 #643510 #995118 #CE6D21

Accessibility & contrast

On white

10.20

#643510 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#643510 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643510

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643510	#FFFFFF	#000000	##FFFFFF
##643510	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433B0B

Deuteranopia (green-blind)

#4E4510

Tritanopia (blue-blind)

#6E2B2E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #643510;
/* rgb */ color: rgb(100, 53, 16);
/* oklch */ color: oklch(38.2% 0.083 54.5);

Tailwind

colors: {
  custom: {
    50: '#956c51',
    500: '#643510',
    950: '#000000',
  },
}

SCSS

$custom: #643510;
$custom-light: #956c51;
$custom-dark: #000000;

JSON

{
  "hex": "#643510",
  "rgb": {
    "r": 100,
    "g": 53,
    "b": 16
  },
  "hsl": {
    "h": 26.429,
    "s": 72.414,
    "l": 22.745
  },
  "oklch": {
    "l": 0.38215,
    "c": 0.08295,
    "h": 54.5
  },
  "luminance": 0.05293
}

Semantic roles & 50–950 ramp

primary

#643510

secondary

#336E9D

accent

#9FEF39

background

#F9F6F4

surface

#F2EBE7

border

#CCC6C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #643510

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

Preview Lab → · Contrast checker → · Palette generator →