#645A48#645A48

#645A48 is a mid, muted orange. Relative luminance 0.105; OKLCH L 47.2% C 0.031 H 82.2°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#645A48
RGB	rgb(100, 90, 72)
HSL	hsl(39, 16%, 34%)
HSV	hsv(39, 28%, 39%)
CMYK	cmyk(0%, 10%, 28%, 60.8%)
CIE-LAB	lab(38.71, 0.87, 11.89)
CIE-LCH	lch(38.71, 11.92, 85.80°)
OKLab	oklab(47.2% 0.0042 0.0303)
OKLCH	oklch(47.2% 0.031 82.2)
XYZ	xyz(10.0815, 10.4898, 7.6233)
Luminance	0.1049 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645A48 #485264

analogous

#644C48 #645A48 #606448

triadic

#645A48 #48645A #5A4864

tetradic

#645A48 #48644C #485264 #644860

square

#645A48 #48644C #485264 #644860

split-complementary

#645A48 #486064 #4C4864

monochromatic

#1D1A15 #403A2E #645A48 #887A62 #A59882

Accessibility & contrast

On white

6.78

#645A48 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#645A48 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645A48

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645A48	#FFFFFF	#000000	##FFFFFF
##645A48	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5A47

Deuteranopia (green-blind)

#615C48

Tritanopia (blue-blind)

#695755

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #645a48;
/* rgb */ color: rgb(100, 90, 72);
/* oklch */ color: oklch(47.2% 0.031 82.2);

Tailwind

colors: {
  custom: {
    50: '#90887b',
    500: '#645a48',
    950: '#000000',
  },
}

SCSS

$custom: #645a48;
$custom-light: #90887b;
$custom-dark: #000000;

JSON

{
  "hex": "#645a48",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 72
  },
  "hsl": {
    "h": 38.571,
    "s": 16.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.47198,
    "c": 0.03059,
    "h": 82.2
  },
  "luminance": 0.1049
}

Semantic roles & 50–950 ramp

primary

#645A48

secondary

#768092

accent

#89B96F

background

#F8F8F7

surface

#F0EFED

border

#CBCAC8

text

#0C0B09

muted

#7D7C7B

Preview Lab

Preview with #645A48

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

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