#403F2E#403F2E

#403F2E is a dark, muted yellow. Relative luminance 0.048; OKLCH L 36.3% C 0.028 H 104.9°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#403F2E
RGB	rgb(64, 63, 46)
HSL	hsl(57, 16%, 22%)
HSV	hsv(57, 28%, 25%)
CMYK	cmyk(0%, 1.6%, 28.1%, 74.9%)
CIE-LAB	lab(26.28, -2.92, 10.62)
CIE-LCH	lch(26.28, 11.01, 105.36°)
OKLab	oklab(36.35% -0.0071 0.0269)
OKLCH	oklch(36.35% 0.028 104.9)
XYZ	xyz(4.3850, 4.8423, 3.2879)
Luminance	0.0484 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F2E #2E2F40

analogous

#40362E #403F2E #38402E

triadic

#403F2E #2E403F #3F2E40

tetradic

#403F2E #2E4036 #2E2F40 #402E38

square

#403F2E #2E4036 #2E2F40 #402E38

split-complementary

#403F2E #2E3840 #362E40

monochromatic

#12120D #1C1C14 #403F2E #646248 #878561

Accessibility & contrast

On white

10.67

#403F2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#403F2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F2E

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F2E	#FFFFFF	#000000	##FFFFFF
##403F2E	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423E2D

Deuteranopia (green-blind)

#433F2F

Tritanopia (blue-blind)

#433D3A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #403f2e;
/* rgb */ color: rgb(64, 63, 46);
/* oklch */ color: oklch(36.3% 0.028 104.9);

Tailwind

colors: {
  custom: {
    50: '#757466',
    500: '#403f2e',
    950: '#000000',
  },
}

SCSS

$custom: #403f2e;
$custom-light: #757466;
$custom-dark: #000000;

JSON

{
  "hex": "#403f2e",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 46
  },
  "hsl": {
    "h": 56.667,
    "s": 16.364,
    "l": 21.569
  },
  "oklch": {
    "l": 0.36346,
    "c": 0.02779,
    "h": 104.9
  },
  "luminance": 0.04842
}

Semantic roles & 50–950 ramp

primary

#403F2E

secondary

#595B70

accent

#73B96F

background

#F7F7F6

surface

#EDEDEB

border

#C8C8C6

text

#080806

muted

#7B7B7A

Preview Lab

Preview with #403F2E

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

Preview Lab → · Contrast checker → · Palette generator →