#403B06#403B06

#403B06 is a dark, moderate yellow. Relative luminance 0.042; OKLCH L 34.7% C 0.069 H 103.7°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#403B06
RGB	rgb(64, 59, 6)
HSL	hsl(55, 83%, 14%)
HSV	hsv(55, 91%, 25%)
CMYK	cmyk(0%, 7.8%, 90.6%, 74.9%)
CIE-LAB	lab(24.42, -4.60, 30.76)
CIE-LCH	lch(24.42, 31.10, 98.51°)
OKLab	oklab(34.69% -0.0163 0.0668)
OKLCH	oklch(34.69% 0.069 103.7)
XYZ	xyz(3.7114, 4.2312, 0.7935)
Luminance	0.0423 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B06 #060B40

analogous

#401E06 #403B06 #284006

triadic

#403B06 #06403B #3B0640

tetradic

#403B06 #06401E #060B40 #400628

square

#403B06 #06401E #060B40 #400628

split-complementary

#403B06 #062840 #1E0640

monochromatic

#1C1A03 #1C1A03 #403B06 #786F0B #B0A210

Accessibility & contrast

On white

11.37

#403B06 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#403B06 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B06

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B06	#FFFFFF	#000000	##FFFFFF
##403B06	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)

#433B0A

Tritanopia (blue-blind)

#463631

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #403b06;
/* rgb */ color: rgb(64, 59, 6);
/* oklch */ color: oklch(34.7% 0.069 103.7);

Tailwind

colors: {
  custom: {
    50: '#77704b',
    500: '#403b06',
    950: '#000000',
  },
}

SCSS

$custom: #403b06;
$custom-light: #77704b;
$custom-dark: #000000;

JSON

{
  "hex": "#403b06",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 6
  },
  "hsl": {
    "h": 54.828,
    "s": 82.857,
    "l": 13.725
  },
  "oklch": {
    "l": 0.34689,
    "c": 0.06878,
    "h": 103.7
  },
  "luminance": 0.04231
}

Semantic roles & 50–950 ramp

primary

#403B06

secondary

#222A80

accent

#40F92F

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403B06

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

Preview Lab → · Contrast checker → · Palette generator →