#3A400B#3A400B

#3A400B is a dark, moderate yellow. Relative luminance 0.046; OKLCH L 35.4% C 0.073 H 115.9°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#3A400B
RGB	rgb(58, 64, 11)
HSL	hsl(67, 71%, 15%)
HSV	hsv(67, 83%, 25%)
CMYK	cmyk(9.4%, 0%, 82.8%, 74.9%)
CIE-LAB	lab(25.53, -10.51, 29.58)
CIE-LCH	lch(25.53, 31.39, 109.57°)
OKLab	oklab(35.45% -0.0318 0.0655)
OKLCH	oklch(35.45% 0.073 115.9)
XYZ	xyz(3.6388, 4.5905, 1.0109)
Luminance	0.0459 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A400B #110B40

analogous

#402B0B #3A400B #20400B

triadic

#3A400B #0B3A40 #400B3A

tetradic

#3A400B #0B402B #110B40 #400B20

square

#3A400B #0B402B #110B40 #400B20

split-complementary

#3A400B #0B2040 #2B0B40

monochromatic

#181A04 #181A04 #3A400B #697414 #99A81D

Accessibility & contrast

On white

10.95

#3A400B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#3A400B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A400B

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A400B	#FFFFFF	#000000	##FFFFFF
##3A400B	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C03

Deuteranopia (green-blind)

#453D0F

Tritanopia (blue-blind)

#3E3C36

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3a400b;
/* rgb */ color: rgb(58, 64, 11);
/* oklch */ color: oklch(35.4% 0.073 115.9);

Tailwind

colors: {
  custom: {
    50: '#72744e',
    500: '#3a400b',
    950: '#000000',
  },
}

SCSS

$custom: #3a400b;
$custom-light: #72744e;
$custom-dark: #000000;

JSON

{
  "hex": "#3a400b",
  "rgb": {
    "r": 58,
    "g": 64,
    "b": 11
  },
  "hsl": {
    "h": 66.792,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.35446,
    "c": 0.0728,
    "h": 115.9
  },
  "luminance": 0.0459
}

Semantic roles & 50–950 ramp

primary

#3A400B

secondary

#332A7D

accent

#3AED4F

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#080802

muted

#7B7B78

Preview Lab

Preview with #3A400B

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

Preview Lab → · Contrast checker → · Palette generator →