#644B28#644B28

#644B28 is a dark, moderate orange. Relative luminance 0.079; OKLCH L 43.1% C 0.061 H 74.3°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#644B28
RGB	rgb(100, 75, 40)
HSL	hsl(35, 43%, 27%)
HSV	hsv(35, 60%, 39%)
CMYK	cmyk(0%, 25%, 60%, 60.8%)
CIE-LAB	lab(33.76, 6.03, 24.72)
CIE-LCH	lch(33.76, 25.44, 76.29°)
OKLab	oklab(43.12% 0.0165 0.0585)
OKLCH	oklch(43.12% 0.061 74.3)
XYZ	xyz(8.1550, 7.8952, 3.1015)
Luminance	0.0790 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644B28 #284164

analogous

#642D28 #644B28 #5F6428

triadic

#644B28 #28644B #4B2864

tetradic

#644B28 #28642D #284164 #64285F

square

#644B28 #28642D #284164 #64285F

split-complementary

#644B28 #285F64 #2D2864

monochromatic

#161009 #382A17 #644B28 #906C39 #B88C4E

Accessibility & contrast

On white

8.14

#644B28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#644B28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644B28

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644B28	#FFFFFF	#000000	##FFFFFF
##644B28	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544C25

Deuteranopia (green-blind)

#5A5229

Tritanopia (blue-blind)

#6C4443

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #644b28;
/* rgb */ color: rgb(100, 75, 40);
/* oklch */ color: oklch(43.1% 0.061 74.3);

Tailwind

colors: {
  custom: {
    50: '#927d63',
    500: '#644b28',
    950: '#000000',
  },
}

SCSS

$custom: #644b28;
$custom-light: #927d63;
$custom-dark: #000000;

JSON

{
  "hex": "#644b28",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 40
  },
  "hsl": {
    "h": 35,
    "s": 42.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.43123,
    "c": 0.06077,
    "h": 74.3
  },
  "luminance": 0.07895
}

Semantic roles & 50–950 ramp

primary

#644B28

secondary

#516E97

accent

#89D355

background

#F9F7F5

surface

#F1EEEA

border

#CBC9C6

text

#0D0905

muted

#7E7B79

Preview Lab

Preview with #644B28

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

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