#40380A#40380A

#40380A is a dark, moderate yellow. Relative luminance 0.039; OKLCH L 33.9% C 0.063 H 99.0°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#40380A
RGB	rgb(64, 56, 10)
HSL	hsl(51, 73%, 15%)
HSV	hsv(51, 84%, 25%)
CMYK	cmyk(0%, 12.5%, 84.4%, 74.9%)
CIE-LAB	lab(23.47, -2.49, 28.19)
CIE-LCH	lch(23.47, 28.30, 95.04°)
OKLab	oklab(33.95% -0.0098 0.0622)
OKLCH	oklch(33.95% 0.063 99)
XYZ	xyz(3.5835, 3.9404, 0.8589)
Luminance	0.0394 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40380A #0A1240

analogous

#401D0A #40380A #2D400A

triadic

#40380A #0A4038 #380A40

tetradic

#40380A #0A401D #0A1240 #400A2D

square

#40380A #0A401D #0A1240 #400A2D

split-complementary

#40380A #0A2D40 #1D0A40

monochromatic

#1A1704 #1A1704 #40380A #756612 #AA951B

Accessibility & contrast

On white

11.74

#40380A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#40380A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40380A

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40380A	#FFFFFF	#000000	##FFFFFF
##40380A	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3604

Deuteranopia (green-blind)

#41390D

Tritanopia (blue-blind)

#46332F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #40380a;
/* rgb */ color: rgb(64, 56, 10);
/* oklch */ color: oklch(33.9% 0.063 99.0);

Tailwind

colors: {
  custom: {
    50: '#776e4d',
    500: '#40380a',
    950: '#000000',
  },
}

SCSS

$custom: #40380a;
$custom-light: #776e4d;
$custom-dark: #000000;

JSON

{
  "hex": "#40380a",
  "rgb": {
    "r": 64,
    "g": 56,
    "b": 10
  },
  "hsl": {
    "h": 51.111,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.33945,
    "c": 0.06296,
    "h": 99
  },
  "luminance": 0.0394
}

Semantic roles & 50–950 ramp

primary

#40380A

secondary

#29357D

accent

#53F038

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #40380A

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

Preview Lab → · Contrast checker → · Palette generator →