#3A370A#3A370A

#3A370A is a dark, moderate yellow. Relative luminance 0.037; OKLCH L 33.0% C 0.062 H 105.5°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#3A370A
RGB	rgb(58, 55, 10)
HSL	hsl(56, 71%, 13%)
HSV	hsv(56, 83%, 23%)
CMYK	cmyk(0%, 5.2%, 82.8%, 77.3%)
CIE-LAB	lab(22.49, -5.04, 26.97)
CIE-LCH	lch(22.49, 27.44, 100.59°)
OKLab	oklab(33.01% -0.0166 0.06)
OKLCH	oklch(33.01% 0.062 105.5)
XYZ	xyz(3.1660, 3.6540, 0.8256)
Luminance	0.0365 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A370A #0A0D3A

analogous

#3A1F0A #3A370A #253A0A

triadic

#3A370A #0A3A37 #370A3A

tetradic

#3A370A #0A3A1F #0A0D3A #3A0A25

square

#3A370A #0A3A1F #0A0D3A #3A0A25

split-complementary

#3A370A #0A253A #1F0A3A

monochromatic

#1A1905 #1A1905 #3A370A #6E6813 #A29A1C

Accessibility & contrast

On white

12.13

#3A370A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#3A370A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A370A

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A370A	#FFFFFF	#000000	##FFFFFF
##3A370A	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)

#3D3504

Deuteranopia (green-blind)

#3E370D

Tritanopia (blue-blind)

#3F332E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #3a370a;
/* rgb */ color: rgb(58, 55, 10);
/* oklch */ color: oklch(33.0% 0.062 105.5);

Tailwind

colors: {
  custom: {
    50: '#726d4d',
    500: '#3a370a',
    950: '#000000',
  },
}

SCSS

$custom: #3a370a;
$custom-light: #726d4d;
$custom-dark: #000000;

JSON

{
  "hex": "#3a370a",
  "rgb": {
    "r": 58,
    "g": 55,
    "b": 10
  },
  "hsl": {
    "h": 56.25,
    "s": 70.588,
    "l": 13.333
  },
  "oklch": {
    "l": 0.33011,
    "c": 0.06225,
    "h": 105.5
  },
  "luminance": 0.03654
}

Semantic roles & 50–950 ramp

primary

#3A370A

secondary

#282D77

accent

#46ED3A

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#080701

muted

#7B7A77

Preview Lab

Preview with #3A370A

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

Preview Lab → · Contrast checker → · Palette generator →