#3B390B#3B390B

#3B390B is a dark, moderate yellow. Relative luminance 0.039; OKLCH L 33.7% C 0.064 H 106.9°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#3B390B
RGB	rgb(59, 57, 11)
HSL	hsl(58, 69%, 14%)
HSV	hsv(58, 81%, 23%)
CMYK	cmyk(0%, 3.4%, 81.4%, 76.9%)
CIE-LAB	lab(23.27, -5.71, 27.39)
CIE-LCH	lch(23.27, 27.98, 101.78°)
OKLab	oklab(33.66% -0.0185 0.0609)
OKLCH	oklch(33.66% 0.064 106.9)
XYZ	xyz(3.3273, 3.8803, 0.8903)
Luminance	0.0388 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B390B #0B0D3B

analogous

#3B210B #3B390B #253B0B

triadic

#3B390B #0B3B39 #390B3B

tetradic

#3B390B #0B3B21 #0B0D3B #3B0B25

square

#3B390B #0B3B21 #0B0D3B #3B0B25

split-complementary

#3B390B #0B253B #210B3B

monochromatic

#1A1905 #1A1905 #3B390B #6F6B15 #A29D1E

Accessibility & contrast

On white

11.82

#3B390B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#3B390B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B390B

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B390B	#FFFFFF	#000000	##FFFFFF
##3B390B	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3605

Deuteranopia (green-blind)

#40380E

Tritanopia (blue-blind)

#403530

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #3b390b;
/* rgb */ color: rgb(59, 57, 11);
/* oklch */ color: oklch(33.7% 0.064 106.9);

Tailwind

colors: {
  custom: {
    50: '#736f4d',
    500: '#3b390b',
    950: '#000000',
  },
}

SCSS

$custom: #3b390b;
$custom-light: #736f4d;
$custom-dark: #000000;

JSON

{
  "hex": "#3b390b",
  "rgb": {
    "r": 59,
    "g": 57,
    "b": 11
  },
  "hsl": {
    "h": 57.5,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.33659,
    "c": 0.06363,
    "h": 106.9
  },
  "luminance": 0.0388
}

Semantic roles & 50–950 ramp

primary

#3B390B

secondary

#2A2D78

accent

#44EB3C

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#080701

muted

#7B7A77

Preview Lab

Preview with #3B390B

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

Preview Lab → · Contrast checker → · Palette generator →