#4B401B#4B401B

#4B401B is a dark, muted yellow. Relative luminance 0.052; OKLCH L 37.4% C 0.056 H 93.0°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#4B401B
RGB	rgb(75, 64, 27)
HSL	hsl(46, 47%, 20%)
HSV	hsv(46, 64%, 29%)
CMYK	cmyk(0%, 14.7%, 64%, 70.6%)
CIE-LAB	lab(27.41, -0.62, 24.01)
CIE-LCH	lch(27.41, 24.02, 91.48°)
OKLab	oklab(37.41% -0.0029 0.056)
OKLCH	oklch(37.41% 0.056 93)
XYZ	xyz(4.9331, 5.2420, 1.7887)
Luminance	0.0524 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B401B #1B264B

analogous

#4B281B #4B401B #3E4B1B

triadic

#4B401B #1B4B40 #401B4B

tetradic

#4B401B #1B4B28 #1B264B #4B1B3E

square

#4B401B #1B4B28 #1B264B #4B1B3E

split-complementary

#4B401B #1B3E4B #281B4B

monochromatic

#171308 #1E1A0B #4B401B #78662B #A58D3B

Accessibility & contrast

On white

10.25

#4B401B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#4B401B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B401B

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B401B	#FFFFFF	#000000	##FFFFFF
##4B401B	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F17

Deuteranopia (green-blind)

#49421D

Tritanopia (blue-blind)

#513B38

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #4b401b;
/* rgb */ color: rgb(75, 64, 27);
/* oklch */ color: oklch(37.4% 0.056 93.0);

Tailwind

colors: {
  custom: {
    50: '#7f7459',
    500: '#4b401b',
    950: '#000000',
  },
}

SCSS

$custom: #4b401b;
$custom-light: #7f7459;
$custom-dark: #000000;

JSON

{
  "hex": "#4b401b",
  "rgb": {
    "r": 75,
    "g": 64,
    "b": 27
  },
  "hsl": {
    "h": 46.25,
    "s": 47.059,
    "l": 20
  },
  "oklch": {
    "l": 0.37407,
    "c": 0.05604,
    "h": 93
  },
  "luminance": 0.05242
}

Semantic roles & 50–950 ramp

primary

#4B401B

secondary

#415081

accent

#70D751

background

#F7F7F5

surface

#EEEDE9

border

#C9C8C5

text

#0A0803

muted

#7C7B78

Preview Lab

Preview with #4B401B

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

Preview Lab → · Contrast checker → · Palette generator →