#34370B#34370B

#34370B is a dark, moderate yellow. Relative luminance 0.035; OKLCH L 32.4% C 0.063 H 113.2°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#34370B
RGB	rgb(52, 55, 11)
HSL	hsl(64, 67%, 13%)
HSV	hsv(64, 80%, 22%)
CMYK	cmyk(5.5%, 0%, 80%, 78.4%)
CIE-LAB	lab(21.90, -8.14, 25.74)
CIE-LCH	lch(21.90, 27.00, 107.55°)
OKLab	oklab(32.39% -0.0248 0.0578)
OKLCH	oklch(32.39% 0.063 113.2)
XYZ	xyz(2.8428, 3.4867, 0.8398)
Luminance	0.0349 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#34370B #0E0B37

analogous

#37240B #34370B #1E370B

triadic

#34370B #0B3437 #370B34

tetradic

#34370B #0B3724 #0E0B37 #370B1E

square

#34370B #0B3724 #0E0B37 #370B1E

split-complementary

#34370B #0B1E37 #240B37

monochromatic

#181A05 #181A05 #34370B #646A15 #949D1F

Accessibility & contrast

On white

12.37

#34370B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#34370B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #34370B

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##34370B	#FFFFFF	#000000	##FFFFFF
##34370B	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3405

Deuteranopia (green-blind)

#3C350E

Tritanopia (blue-blind)

#38332E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #34370b;
/* rgb */ color: rgb(52, 55, 11);
/* oklch */ color: oklch(32.4% 0.063 113.2);

Tailwind

colors: {
  custom: {
    50: '#6d6d4d',
    500: '#34370b',
    950: '#000000',
  },
}

SCSS

$custom: #34370b;
$custom-light: #6d6d4d;
$custom-dark: #000000;

JSON

{
  "hex": "#34370b",
  "rgb": {
    "r": 52,
    "g": 55,
    "b": 11
  },
  "hsl": {
    "h": 64.091,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.32389,
    "c": 0.06288,
    "h": 113.2
  },
  "luminance": 0.03487
}

Semantic roles & 50–950 ramp

primary

#34370B

secondary

#2F2A74

accent

#3EEA4A

background

#F6F6F4

surface

#ECEBE7

border

#C7C6C3

text

#070701

muted

#7A7A77

Preview Lab

Preview with #34370B

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

Preview Lab → · Contrast checker → · Palette generator →