#4B280F#4B280F

#4B280F is a dark, moderate orange. Relative luminance 0.030; OKLCH L 31.8% C 0.064 H 53.5°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#4B280F
RGB	rgb(75, 40, 15)
HSL	hsl(25, 67%, 18%)
HSV	hsv(25, 80%, 29%)
CMYK	cmyk(0%, 46.7%, 80%, 70.6%)
CIE-LAB	lab(20.24, 13.98, 22.83)
CIE-LCH	lch(20.24, 26.77, 58.52°)
OKLab	oklab(31.76% 0.0381 0.0515)
OKLCH	oklch(31.76% 0.064 53.5)
XYZ	xyz(3.7470, 3.0483, 0.8429)
Luminance	0.0305 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B280F #0F324B

analogous

#4B0F14 #4B280F #4B460F

triadic

#4B280F #0F4B28 #280F4B

tetradic

#4B280F #144B0F #0F324B #460F4B

square

#4B280F #144B0F #0F324B #460F4B

split-complementary

#4B280F #0F4B46 #0F144B

monochromatic

#1A0E05 #1A0E05 #4B280F #7E4319 #B15E23

Accessibility & contrast

On white

13.05

#4B280F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#4B280F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B280F

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B280F	#FFFFFF	#000000	##FFFFFF
##4B280F	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322C0C

Deuteranopia (green-blind)

#3A340F

Tritanopia (blue-blind)

#532123

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #4b280f;
/* rgb */ color: rgb(75, 40, 15);
/* oklch */ color: oklch(31.8% 0.064 53.5);

Tailwind

colors: {
  custom: {
    50: '#81624e',
    500: '#4b280f',
    950: '#000000',
  },
}

SCSS

$custom: #4b280f;
$custom-light: #81624e;
$custom-dark: #000000;

JSON

{
  "hex": "#4b280f",
  "rgb": {
    "r": 75,
    "g": 40,
    "b": 15
  },
  "hsl": {
    "h": 25,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.31757,
    "c": 0.06403,
    "h": 53.5
  },
  "luminance": 0.03048
}

Semantic roles & 50–950 ramp

primary

#4B280F

secondary

#306285

accent

#A2EA3E

background

#F8F5F4

surface

#EFEAE7

border

#CAC6C3

text

#0B0502

muted

#7C7978

Preview Lab

Preview with #4B280F

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

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