#403C07#403C07

#403C07 is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 35.0% C 0.069 H 104.9°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#403C07
RGB	rgb(64, 60, 7)
HSL	hsl(56, 80%, 14%)
HSV	hsv(56, 89%, 25%)
CMYK	cmyk(0%, 6.2%, 89.1%, 74.9%)
CIE-LAB	lab(24.76, -5.17, 30.67)
CIE-LCH	lch(24.76, 31.11, 99.58°)
OKLab	oklab(34.96% -0.0178 0.0668)
OKLCH	oklch(34.96% 0.069 104.9)
XYZ	xyz(3.7687, 4.3372, 0.8396)
Luminance	0.0434 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C07 #070B40

analogous

#402007 #403C07 #284007

triadic

#403C07 #07403C #3C0740

tetradic

#403C07 #074020 #070B40 #400728

square

#403C07 #074020 #070B40 #400728

split-complementary

#403C07 #072840 #200740

monochromatic

#1C1A03 #1C1A03 #403C07 #77700D #AEA313

Accessibility & contrast

On white

11.25

#403C07 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#403C07 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C07

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C07	#FFFFFF	#000000	##FFFFFF
##403C07	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A00

Deuteranopia (green-blind)

#443C0B

Tritanopia (blue-blind)

#463732

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #403c07;
/* rgb */ color: rgb(64, 60, 7);
/* oklch */ color: oklch(35.0% 0.069 104.9);

Tailwind

colors: {
  custom: {
    50: '#77714c',
    500: '#403c07',
    950: '#000000',
  },
}

SCSS

$custom: #403c07;
$custom-light: #77714c;
$custom-dark: #000000;

JSON

{
  "hex": "#403c07",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 7
  },
  "hsl": {
    "h": 55.789,
    "s": 80.282,
    "l": 13.922
  },
  "oklch": {
    "l": 0.34958,
    "c": 0.06909,
    "h": 104.9
  },
  "luminance": 0.04337
}

Semantic roles & 50–950 ramp

primary

#403C07

secondary

#242A7F

accent

#3FF731

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403C07

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

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