#403A28#403A28

#403A28 is a dark, muted yellow. Relative luminance 0.043; OKLCH L 34.9% C 0.030 H 91.8°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#403A28
RGB	rgb(64, 58, 40)
HSL	hsl(45, 23%, 20%)
HSV	hsv(45, 38%, 25%)
CMYK	cmyk(0%, 9.4%, 37.5%, 74.9%)
CIE-LAB	lab(24.54, -0.68, 12.16)
CIE-LCH	lch(24.54, 12.18, 93.22°)
OKLab	oklab(34.93% -0.001 0.0304)
OKLCH	oklch(34.93% 0.03 91.8)
XYZ	xyz(4.0105, 4.2694, 2.6199)
Luminance	0.0427 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403A28 #282E40

analogous

#402E28 #403A28 #3A4028

triadic

#403A28 #28403A #3A2840

tetradic

#403A28 #28402E #282E40 #40283A

square

#403A28 #28402E #282E40 #40283A

split-complementary

#403A28 #283A40 #2E2840

monochromatic

#13110C #1A1810 #403A28 #665C40 #8B7E57

Accessibility & contrast

On white

11.33

#403A28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#403A28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403A28

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403A28	#FFFFFF	#000000	##FFFFFF
##403A28	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3927

Deuteranopia (green-blind)

#3F3B29

Tritanopia (blue-blind)

#443735

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #403a28;
/* rgb */ color: rgb(64, 58, 40);
/* oklch */ color: oklch(34.9% 0.030 91.8);

Tailwind

colors: {
  custom: {
    50: '#757062',
    500: '#403a28',
    950: '#000000',
  },
}

SCSS

$custom: #403a28;
$custom-light: #757062;
$custom-dark: #000000;

JSON

{
  "hex": "#403a28",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 40
  },
  "hsl": {
    "h": 45,
    "s": 23.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.34929,
    "c": 0.03045,
    "h": 91.8
  },
  "luminance": 0.04269
}

Semantic roles & 50–950 ramp

primary

#403A28

secondary

#525A72

accent

#7EC068

background

#F7F6F5

surface

#EDECEA

border

#C8C7C6

text

#080705

muted

#7B7A79

Preview Lab

Preview with #403A28

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

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