#643711#643711

#643711 is a dark, moderate orange. Relative luminance 0.055; OKLCH L 38.6% C 0.081 H 56.6°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#643711
RGB	rgb(100, 55, 17)
HSL	hsl(27, 71%, 23%)
HSV	hsv(27, 83%, 39%)
CMYK	cmyk(0%, 45%, 83%, 60.8%)
CIE-LAB	lab(28.07, 16.84, 31.05)
CIE-LCH	lch(28.07, 35.32, 61.53°)
OKLab	oklab(38.61% 0.0448 0.0678)
OKLCH	oklch(38.61% 0.081 56.6)
XYZ	xyz(6.7235, 5.4829, 1.2344)
Luminance	0.0548 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643711 #113E64

analogous

#641114 #643711 #646011

triadic

#643711 #116437 #371164

tetradic

#643711 #146411 #113E64 #601164

square

#643711 #146411 #113E64 #601164

split-complementary

#643711 #116460 #111464

monochromatic

#1A0E04 #301A08 #643711 #98541A #CD7123

Accessibility & contrast

On white

10.02

#643711 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#643711 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643711

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643711	#FFFFFF	#000000	##FFFFFF
##643711	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443C0C

Deuteranopia (green-blind)

#4F4611

Tritanopia (blue-blind)

#6E2D2F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #643711;
/* rgb */ color: rgb(100, 55, 17);
/* oklch */ color: oklch(38.6% 0.081 56.6);

Tailwind

colors: {
  custom: {
    50: '#956e52',
    500: '#643711',
    950: '#000000',
  },
}

SCSS

$custom: #643711;
$custom-light: #956e52;
$custom-dark: #000000;

JSON

{
  "hex": "#643711",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 17
  },
  "hsl": {
    "h": 27.47,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.38613,
    "c": 0.08129,
    "h": 56.6
  },
  "luminance": 0.05482
}

Semantic roles & 50–950 ramp

primary

#643711

secondary

#356D9C

accent

#9BEE3A

background

#F9F6F4

surface

#F2EBE7

border

#CCC6C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #643711

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

Preview Lab → · Contrast checker → · Palette generator →