#403B0E#403B0E

#403B0E is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 34.8% C 0.063 H 102.9°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#403B0E
RGB	rgb(64, 59, 14)
HSL	hsl(54, 64%, 15%)
HSV	hsv(54, 78%, 25%)
CMYK	cmyk(0%, 7.8%, 78.1%, 74.9%)
CIE-LAB	lab(24.48, -4.15, 27.39)
CIE-LCH	lch(24.48, 27.70, 98.62°)
OKLab	oklab(34.76% -0.014 0.0613)
OKLCH	oklch(34.76% 0.063 102.9)
XYZ	xyz(3.7577, 4.2498, 1.0377)
Luminance	0.0425 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B0E #0E1340

analogous

#40220E #403B0E #2C400E

triadic

#403B0E #0E403B #3B0E40

tetradic

#403B0E #0E4022 #0E1340 #400E2C

square

#403B0E #0E4022 #0E1340 #400E2C

split-complementary

#403B0E #0E2C40 #220E40

monochromatic

#191705 #191705 #403B0E #726919 #A49824

Accessibility & contrast

On white

11.35

#403B0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#403B0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B0E

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B0E	#FFFFFF	#000000	##FFFFFF
##403B0E	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413908

Deuteranopia (green-blind)

#433B11

Tritanopia (blue-blind)

#453632

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #403b0e;
/* rgb */ color: rgb(64, 59, 14);
/* oklch */ color: oklch(34.8% 0.063 102.9);

Tailwind

colors: {
  custom: {
    50: '#77704f',
    500: '#403b0e',
    950: '#000000',
  },
}

SCSS

$custom: #403b0e;
$custom-light: #77704f;
$custom-dark: #000000;

JSON

{
  "hex": "#403b0e",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 14
  },
  "hsl": {
    "h": 54,
    "s": 64.103,
    "l": 15.294
  },
  "oklch": {
    "l": 0.34755,
    "c": 0.06285,
    "h": 102.9
  },
  "luminance": 0.0425
}

Semantic roles & 50–950 ramp

primary

#403B0E

secondary

#2F367B

accent

#51E741

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #403B0E

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

Preview Lab → · Contrast checker → · Palette generator →