#33370B#33370B

#33370B is a dark, moderate yellow. Relative luminance 0.035; OKLCH L 32.3% C 0.063 H 114.5°. Best body text is #FFFFFF at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#33370B
RGB	rgb(51, 55, 11)
HSL	hsl(65, 67%, 13%)
HSV	hsv(65, 80%, 22%)
CMYK	cmyk(7.3%, 0%, 80%, 78.4%)
CIE-LAB	lab(21.80, -8.66, 25.61)
CIE-LCH	lch(21.80, 27.03, 108.68°)
OKLab	oklab(32.29% -0.0262 0.0576)
OKLCH	oklch(32.29% 0.063 114.5)
XYZ	xyz(2.7919, 3.4604, 0.8374)
Luminance	0.0346 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33370B #0F0B37

analogous

#37250B #33370B #1D370B

triadic

#33370B #0B3337 #370B33

tetradic

#33370B #0B3725 #0F0B37 #370B1D

square

#33370B #0B3725 #0F0B37 #370B1D

split-complementary

#33370B #0B1D37 #250B37

monochromatic

#181A05 #181A05 #33370B #626A15 #929D1F

Accessibility & contrast

On white

12.41

#33370B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#33370B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33370B

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33370B	#FFFFFF	#000000	##FFFFFF
##33370B	1.00	12.41	1.69	12.41
#FFFFFF	12.41	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3405

Deuteranopia (green-blind)

#3B350E

Tritanopia (blue-blind)

#37332E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #33370b;
/* rgb */ color: rgb(51, 55, 11);
/* oklch */ color: oklch(32.3% 0.063 114.5);

Tailwind

colors: {
  custom: {
    50: '#6c6d4d',
    500: '#33370b',
    950: '#000000',
  },
}

SCSS

$custom: #33370b;
$custom-light: #6c6d4d;
$custom-dark: #000000;

JSON

{
  "hex": "#33370b",
  "rgb": {
    "r": 51,
    "g": 55,
    "b": 11
  },
  "hsl": {
    "h": 65.455,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.32289,
    "c": 0.06323,
    "h": 114.5
  },
  "luminance": 0.0346
}

Semantic roles & 50–950 ramp

primary

#33370B

secondary

#312A74

accent

#3EEA4E

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#070701

muted

#7A7A77

Preview Lab

Preview with #33370B

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

Preview Lab → · Contrast checker → · Palette generator →