#403B07#403B07

#403B07 is a dark, moderate yellow. Relative luminance 0.042; OKLCH L 34.7% C 0.068 H 103.6°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#403B07
RGB	rgb(64, 59, 7)
HSL	hsl(55, 80%, 14%)
HSV	hsv(55, 89%, 25%)
CMYK	cmyk(0%, 7.8%, 89.1%, 74.9%)
CIE-LAB	lab(24.43, -4.55, 30.36)
CIE-LCH	lch(24.43, 30.70, 98.52°)
OKLab	oklab(34.7% -0.016 0.0662)
OKLCH	oklch(34.7% 0.068 103.6)
XYZ	xyz(3.7168, 4.2334, 0.8223)
Luminance	0.0423 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B07 #070C40

analogous

#401F07 #403B07 #294007

triadic

#403B07 #07403B #3B0740

tetradic

#403B07 #07401F #070C40 #400729

square

#403B07 #07401F #070C40 #400729

split-complementary

#403B07 #072940 #1F0740

monochromatic

#1C1903 #1C1903 #403B07 #776E0D #AEA113

Accessibility & contrast

On white

11.37

#403B07 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#403B07 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B07

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B07	#FFFFFF	#000000	##FFFFFF
##403B07	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413900

Deuteranopia (green-blind)

#433B0B

Tritanopia (blue-blind)

#463631

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #403b07;
/* rgb */ color: rgb(64, 59, 7);
/* oklch */ color: oklch(34.7% 0.068 103.6);

Tailwind

colors: {
  custom: {
    50: '#77704c',
    500: '#403b07',
    950: '#000000',
  },
}

SCSS

$custom: #403b07;
$custom-light: #77704c;
$custom-dark: #000000;

JSON

{
  "hex": "#403b07",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 7
  },
  "hsl": {
    "h": 54.737,
    "s": 80.282,
    "l": 13.922
  },
  "oklch": {
    "l": 0.34697,
    "c": 0.06806,
    "h": 103.6
  },
  "luminance": 0.04233
}

Semantic roles & 50–950 ramp

primary

#403B07

secondary

#242C7F

accent

#42F731

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403B07

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

Preview Lab → · Contrast checker → · Palette generator →