#644F18#644F18

#644F18 is a dark, moderate orange. Relative luminance 0.084; OKLCH L 43.8% C 0.077 H 87.4°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#644F18
RGB	rgb(100, 79, 24)
HSL	hsl(43, 61%, 24%)
HSV	hsv(43, 76%, 39%)
CMYK	cmyk(0%, 21%, 76%, 60.8%)
CIE-LAB	lab(34.74, 2.39, 34.30)
CIE-LCH	lch(34.74, 34.39, 86.02°)
OKLab	oklab(43.83% 0.0035 0.0765)
OKLCH	oklch(43.83% 0.077 87.4)
XYZ	xyz(8.2169, 8.3678, 2.0463)
Luminance	0.0837 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644F18 #182D64

analogous

#642918 #644F18 #536418

triadic

#644F18 #18644F #4F1864

tetradic

#644F18 #186429 #182D64 #641853

square

#644F18 #186429 #182D64 #641853

split-complementary

#644F18 #185364 #291864

monochromatic

#191306 #33280C #644F18 #957624 #C79D30

Accessibility & contrast

On white

7.86

#644F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#644F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644F18

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644F18	#FFFFFF	#000000	##FFFFFF
##644F18	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E10

Deuteranopia (green-blind)

#5E541B

Tritanopia (blue-blind)

#6D4844

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #644f18;
/* rgb */ color: rgb(100, 79, 24);
/* oklch */ color: oklch(43.8% 0.077 87.4);

Tailwind

colors: {
  custom: {
    50: '#938059',
    500: '#644f18',
    950: '#000000',
  },
}

SCSS

$custom: #644f18;
$custom-light: #938059;
$custom-dark: #000000;

JSON

{
  "hex": "#644f18",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 24
  },
  "hsl": {
    "h": 43.421,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.4383,
    "c": 0.07655,
    "h": 87.4
  },
  "luminance": 0.08367
}

Semantic roles & 50–950 ramp

primary

#644F18

secondary

#3E579A

accent

#70E443

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0A03

muted

#7E7C78

Preview Lab

Preview with #644F18

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

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