#3B370A#3B370A

#3B370A is a dark, moderate yellow. Relative luminance 0.037; OKLCH L 33.1% C 0.062 H 104.2°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#3B370A
RGB	rgb(59, 55, 10)
HSL	hsl(55, 71%, 14%)
HSV	hsv(55, 83%, 23%)
CMYK	cmyk(0%, 6.8%, 83.1%, 76.9%)
CIE-LAB	lab(22.60, -4.51, 27.11)
CIE-LCH	lch(22.60, 27.49, 99.44°)
OKLab	oklab(33.12% -0.0152 0.0602)
OKLCH	oklch(33.12% 0.062 104.2)
XYZ	xyz(3.2247, 3.6842, 0.8284)
Luminance	0.0368 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B370A #0A0E3B

analogous

#3B1E0A #3B370A #263B0A

triadic

#3B370A #0A3B37 #370A3B

tetradic

#3B370A #0A3B1E #0A0E3B #3B0A26

square

#3B370A #0A3B1E #0A0E3B #3B0A26

split-complementary

#3B370A #0A263B #1E0A3B

monochromatic

#1A1804 #1A1804 #3B370A #6F6813 #A4991C

Accessibility & contrast

On white

12.09

#3B370A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#3B370A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B370A

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B370A	#FFFFFF	#000000	##FFFFFF
##3B370A	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3504

Deuteranopia (green-blind)

#3E370D

Tritanopia (blue-blind)

#40332E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #3b370a;
/* rgb */ color: rgb(59, 55, 10);
/* oklch */ color: oklch(33.1% 0.062 104.2);

Tailwind

colors: {
  custom: {
    50: '#736d4d',
    500: '#3b370a',
    950: '#000000',
  },
}

SCSS

$custom: #3b370a;
$custom-light: #736d4d;
$custom-dark: #000000;

JSON

{
  "hex": "#3b370a",
  "rgb": {
    "r": 59,
    "g": 55,
    "b": 10
  },
  "hsl": {
    "h": 55.102,
    "s": 71.014,
    "l": 13.529
  },
  "oklch": {
    "l": 0.3312,
    "c": 0.06213,
    "h": 104.2
  },
  "luminance": 0.03684
}

Semantic roles & 50–950 ramp

primary

#3B370A

secondary

#282F78

accent

#49EE3A

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#080701

muted

#7B7A77

Preview Lab

Preview with #3B370A

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

Preview Lab → · Contrast checker → · Palette generator →