#644B16#644B16

#644B16 is a dark, moderate orange. Relative luminance 0.078; OKLCH L 42.9% C 0.076 H 82.5°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#644B16
RGB	rgb(100, 75, 22)
HSL	hsl(41, 64%, 24%)
HSV	hsv(41, 78%, 39%)
CMYK	cmyk(0%, 25%, 78%, 60.8%)
CIE-LAB	lab(33.56, 4.73, 34.06)
CIE-LCH	lch(33.56, 34.39, 82.10°)
OKLab	oklab(42.9% 0.01 0.0755)
OKLCH	oklch(42.9% 0.076 82.5)
XYZ	xyz(7.9169, 7.8000, 1.8475)
Luminance	0.0780 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644B16 #162F64

analogous

#642416 #644B16 #566416

triadic

#644B16 #16644B #4B1664

tetradic

#644B16 #166424 #162F64 #641656

square

#644B16 #166424 #162F64 #641656

split-complementary

#644B16 #165664 #241664

monochromatic

#191306 #32250B #644B16 #967121 #C8962C

Accessibility & contrast

On white

8.20

#644B16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#644B16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644B16

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644B16	#FFFFFF	#000000	##FFFFFF
##644B16	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554B0E

Deuteranopia (green-blind)

#5B5218

Tritanopia (blue-blind)

#6D4340

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #644b16;
/* rgb */ color: rgb(100, 75, 22);
/* oklch */ color: oklch(42.9% 0.076 82.5);

Tailwind

colors: {
  custom: {
    50: '#937d57',
    500: '#644b16',
    950: '#000000',
  },
}

SCSS

$custom: #644b16;
$custom-light: #937d57;
$custom-dark: #000000;

JSON

{
  "hex": "#644b16",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 22
  },
  "hsl": {
    "h": 40.769,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.42901,
    "c": 0.07618,
    "h": 82.5
  },
  "luminance": 0.07799
}

Semantic roles & 50–950 ramp

primary

#644B16

secondary

#3B5A9B

accent

#76E741

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0E0903

muted

#7E7B78

Preview Lab

Preview with #644B16

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

Preview Lab → · Contrast checker → · Palette generator →