#3A370B#3A370B

#3A370B is a dark, moderate yellow. Relative luminance 0.037; OKLCH L 33.0% C 0.061 H 105.4°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#3A370B
RGB	rgb(58, 55, 11)
HSL	hsl(56, 68%, 14%)
HSV	hsv(56, 81%, 23%)
CMYK	cmyk(0%, 5.2%, 81%, 77.3%)
CIE-LAB	lab(22.50, -4.98, 26.56)
CIE-LCH	lch(22.50, 27.02, 100.62°)
OKLab	oklab(33.02% -0.0163 0.0593)
OKLCH	oklch(33.02% 0.061 105.4)
XYZ	xyz(3.1716, 3.6562, 0.8552)
Luminance	0.0366 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A370B #0B0E3A

analogous

#3A1F0B #3A370B #253A0B

triadic

#3A370B #0B3A37 #370B3A

tetradic

#3A370B #0B3A1F #0B0E3A #3A0B25

square

#3A370B #0B3A1F #0B0E3A #3A0B25

split-complementary

#3A370B #0B253A #1F0B3A

monochromatic

#1A1805 #1A1805 #3A370B #6D6815 #A1991F

Accessibility & contrast

On white

12.13

#3A370B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#3A370B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A370B

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A370B	#FFFFFF	#000000	##FFFFFF
##3A370B	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3505

Deuteranopia (green-blind)

#3E370E

Tritanopia (blue-blind)

#3F332E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #3a370b;
/* rgb */ color: rgb(58, 55, 11);
/* oklch */ color: oklch(33.0% 0.061 105.4);

Tailwind

colors: {
  custom: {
    50: '#726d4d',
    500: '#3a370b',
    950: '#000000',
  },
}

SCSS

$custom: #3a370b;
$custom-light: #726d4d;
$custom-dark: #000000;

JSON

{
  "hex": "#3a370b",
  "rgb": {
    "r": 58,
    "g": 55,
    "b": 11
  },
  "hsl": {
    "h": 56.17,
    "s": 68.116,
    "l": 13.529
  },
  "oklch": {
    "l": 0.33019,
    "c": 0.06146,
    "h": 105.4
  },
  "luminance": 0.03656
}

Semantic roles & 50–950 ramp

primary

#3A370B

secondary

#2A2F77

accent

#48EB3D

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#080701

muted

#7B7A77

Preview Lab

Preview with #3A370B

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

Preview Lab → · Contrast checker → · Palette generator →