#45370B#45370B

#45370B is a dark, moderate yellow. Relative luminance 0.040; OKLCH L 34.3% C 0.062 H 90.5°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#45370B
RGB	rgb(69, 55, 11)
HSL	hsl(46, 73%, 16%)
HSV	hsv(46, 84%, 27%)
CMYK	cmyk(0%, 20.3%, 84.1%, 72.9%)
CIE-LAB	lab(23.74, 0.87, 28.23)
CIE-LCH	lch(23.74, 28.24, 88.24°)
OKLab	oklab(34.3% -0.0005 0.0622)
OKLCH	oklch(34.3% 0.062 90.5)
XYZ	xyz(3.8811, 4.0220, 0.8884)
Luminance	0.0402 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45370B #0B1945

analogous

#451A0B #45370B #36450B

triadic

#45370B #0B4537 #370B45

tetradic

#45370B #0B451A #0B1945 #450B36

square

#45370B #0B451A #0B1945 #450B36

split-complementary

#45370B #0B3645 #1A0B45

monochromatic

#1A1504 #1A1504 #45370B #7A6113 #AF8B1C

Accessibility & contrast

On white

11.64

#45370B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#45370B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #45370B

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45370B	#FFFFFF	#000000	##FFFFFF
##45370B	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3605

Deuteranopia (green-blind)

#423A0D

Tritanopia (blue-blind)

#4B322E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #45370b;
/* rgb */ color: rgb(69, 55, 11);
/* oklch */ color: oklch(34.3% 0.062 90.5);

Tailwind

colors: {
  custom: {
    50: '#7b6d4d',
    500: '#45370b',
    950: '#000000',
  },
}

SCSS

$custom: #45370b;
$custom-light: #7b6d4d;
$custom-dark: #000000;

JSON

{
  "hex": "#45370b",
  "rgb": {
    "r": 69,
    "g": 55,
    "b": 11
  },
  "hsl": {
    "h": 45.517,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.34297,
    "c": 0.0622,
    "h": 90.5
  },
  "luminance": 0.04022
}

Semantic roles & 50–950 ramp

primary

#45370B

secondary

#2A3F81

accent

#65EF39

background

#F7F6F4

surface

#EEEBE7

border

#C9C6C3

text

#0A0701

muted

#7C7A77

Preview Lab

Preview with #45370B

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

Preview Lab → · Contrast checker → · Palette generator →