#3B400A#3B400A

#3B400A is a dark, moderate yellow. Relative luminance 0.046; OKLCH L 35.5% C 0.073 H 114.9°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#3B400A
RGB	rgb(59, 64, 10)
HSL	hsl(66, 73%, 15%)
HSV	hsv(66, 84%, 25%)
CMYK	cmyk(7.8%, 0%, 84.4%, 74.9%)
CIE-LAB	lab(25.62, -10.06, 30.10)
CIE-LCH	lch(25.62, 31.73, 108.48°)
OKLab	oklab(35.53% -0.0307 0.0663)
OKLCH	oklch(35.53% 0.073 114.9)
XYZ	xyz(3.6919, 4.6186, 0.9841)
Luminance	0.0462 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B400A #0F0A40

analogous

#402A0A #3B400A #20400A

triadic

#3B400A #0A3B40 #400A3B

tetradic

#3B400A #0A402A #0F0A40 #400A20

square

#3B400A #0A402A #0F0A40 #400A20

split-complementary

#3B400A #0A2040 #2A0A40

monochromatic

#181A04 #181A04 #3B400A #6C7512 #9DAA1B

Accessibility & contrast

On white

10.92

#3B400A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#3B400A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B400A

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B400A	#FFFFFF	#000000	##FFFFFF
##3B400A	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C02

Deuteranopia (green-blind)

#453D0F

Tritanopia (blue-blind)

#3F3C36

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3b400a;
/* rgb */ color: rgb(59, 64, 10);
/* oklch */ color: oklch(35.5% 0.073 114.9);

Tailwind

colors: {
  custom: {
    50: '#73744e',
    500: '#3b400a',
    950: '#000000',
  },
}

SCSS

$custom: #3b400a;
$custom-light: #73744e;
$custom-dark: #000000;

JSON

{
  "hex": "#3b400a",
  "rgb": {
    "r": 59,
    "g": 64,
    "b": 10
  },
  "hsl": {
    "h": 65.556,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.35534,
    "c": 0.0731,
    "h": 114.9
  },
  "luminance": 0.04619
}

Semantic roles & 50–950 ramp

primary

#3B400A

secondary

#30297D

accent

#38F049

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#080802

muted

#7B7B78

Preview Lab

Preview with #3B400A

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

Preview Lab → · Contrast checker → · Palette generator →