#403B0C#403B0C

#403B0C is a dark, moderate yellow. Relative luminance 0.042; OKLCH L 34.7% C 0.064 H 103.1°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#403B0C
RGB	rgb(64, 59, 12)
HSL	hsl(54, 68%, 15%)
HSV	hsv(54, 81%, 25%)
CMYK	cmyk(0%, 7.8%, 81.2%, 74.9%)
CIE-LAB	lab(24.46, -4.28, 28.31)
CIE-LCH	lch(24.46, 28.63, 98.59°)
OKLab	oklab(34.74% -0.0146 0.0628)
OKLCH	oklch(34.74% 0.064 103.1)
XYZ	xyz(3.7448, 4.2446, 0.9698)
Luminance	0.0424 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B0C #0C1140

analogous

#40210C #403B0C #2B400C

triadic

#403B0C #0C403B #3B0C40

tetradic

#403B0C #0C4021 #0C1140 #400C2B

square

#403B0C #0C4021 #0C1140 #400C2B

split-complementary

#403B0C #0C2B40 #210C40

monochromatic

#1A1805 #1A1805 #403B0C #746B16 #A79A1F

Accessibility & contrast

On white

11.36

#403B0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#403B0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B0C

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B0C	#FFFFFF	#000000	##FFFFFF
##403B0C	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413905

Deuteranopia (green-blind)

#433B0F

Tritanopia (blue-blind)

#453632

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #403b0c;
/* rgb */ color: rgb(64, 59, 12);
/* oklch */ color: oklch(34.7% 0.064 103.1);

Tailwind

colors: {
  custom: {
    50: '#77704e',
    500: '#403b0c',
    950: '#000000',
  },
}

SCSS

$custom: #403b0c;
$custom-light: #77704e;
$custom-dark: #000000;

JSON

{
  "hex": "#403b0c",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 12
  },
  "hsl": {
    "h": 54.231,
    "s": 68.421,
    "l": 14.902
  },
  "oklch": {
    "l": 0.34737,
    "c": 0.06445,
    "h": 103.1
  },
  "luminance": 0.04244
}

Semantic roles & 50–950 ramp

primary

#403B0C

secondary

#2C337C

accent

#4DEB3D

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #403B0C

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

Preview Lab → · Contrast checker → · Palette generator →