#644B19#644B19

#644B19 is a dark, moderate orange. Relative luminance 0.078; OKLCH L 42.9% C 0.074 H 81.5°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#644B19
RGB	rgb(100, 75, 25)
HSL	hsl(40, 60%, 25%)
HSV	hsv(40, 75%, 39%)
CMYK	cmyk(0%, 25%, 75%, 60.8%)
CIE-LAB	lab(33.59, 4.90, 32.65)
CIE-LCH	lch(33.59, 33.02, 81.47°)
OKLab	oklab(42.93% 0.0109 0.0732)
OKLCH	oklch(42.93% 0.074 81.5)
XYZ	xyz(7.9476, 7.8122, 2.0088)
Luminance	0.0781 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644B19 #193264

analogous

#642619 #644B19 #586419

triadic

#644B19 #19644B #4B1964

tetradic

#644B19 #196426 #193264 #641958

square

#644B19 #196426 #193264 #641958

split-complementary

#644B19 #195864 #261964

monochromatic

#181206 #33260D #644B19 #957025 #C69431

Accessibility & contrast

On white

8.20

#644B19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#644B19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644B19

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644B19	#FFFFFF	#000000	##FFFFFF
##644B19	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)

#554B13

Deuteranopia (green-blind)

#5B521B

Tritanopia (blue-blind)

#6D4341

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #644b19;
/* rgb */ color: rgb(100, 75, 25);
/* oklch */ color: oklch(42.9% 0.074 81.5);

Tailwind

colors: {
  custom: {
    50: '#937d59',
    500: '#644b19',
    950: '#000000',
  },
}

SCSS

$custom: #644b19;
$custom-light: #937d59;
$custom-dark: #000000;

JSON

{
  "hex": "#644b19",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 25
  },
  "hsl": {
    "h": 40,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.4293,
    "c": 0.07399,
    "h": 81.5
  },
  "luminance": 0.07812
}

Semantic roles & 50–950 ramp

primary

#644B19

secondary

#3F5D9A

accent

#79E345

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0903

muted

#7E7B78

Preview Lab

Preview with #644B19

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

Preview Lab → · Contrast checker → · Palette generator →