#3F370D#3F370D

#3F370D is a dark, muted yellow. Relative luminance 0.038; OKLCH L 33.6% C 0.060 H 98.2°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#3F370D
RGB	rgb(63, 55, 13)
HSL	hsl(50, 66%, 15%)
HSV	hsv(50, 79%, 25%)
CMYK	cmyk(0%, 12.7%, 79.4%, 75.3%)
CIE-LAB	lab(23.06, -2.20, 26.40)
CIE-LCH	lch(23.06, 26.50, 94.76°)
OKLab	oklab(33.6% -0.0085 0.059)
OKLCH	oklch(33.6% 0.06 98.2)
XYZ	xyz(3.4889, 3.8184, 0.9339)
Luminance	0.0382 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F370D #0D153F

analogous

#3F1E0D #3F370D #2E3F0D

triadic

#3F370D #0D3F37 #370D3F

tetradic

#3F370D #0D3F1E #0D153F #3F0D2E

square

#3F370D #0D3F1E #0D153F #3F0D2E

split-complementary

#3F370D #0D2E3F #1E0D3F

monochromatic

#191605 #191605 #3F370D #726317 #A49022

Accessibility & contrast

On white

11.91

#3F370D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#3F370D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F370D

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F370D	#FFFFFF	#000000	##FFFFFF
##3F370D	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3507

Deuteranopia (green-blind)

#3F380F

Tritanopia (blue-blind)

#45322F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #3f370d;
/* rgb */ color: rgb(63, 55, 13);
/* oklch */ color: oklch(33.6% 0.060 98.2);

Tailwind

colors: {
  custom: {
    50: '#766d4e',
    500: '#3f370d',
    950: '#000000',
  },
}

SCSS

$custom: #3f370d;
$custom-light: #766d4e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f370d",
  "rgb": {
    "r": 63,
    "g": 55,
    "b": 13
  },
  "hsl": {
    "h": 50.4,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.336,
    "c": 0.05963,
    "h": 98.2
  },
  "luminance": 0.03818
}

Semantic roles & 50–950 ramp

primary

#3F370D

secondary

#2D3A7B

accent

#5AE93F

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #3F370D

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

Preview Lab → · Contrast checker → · Palette generator →