#39400B#39400B

#39400B is a dark, moderate yellow. Relative luminance 0.046; OKLCH L 35.4% C 0.073 H 116.9°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#39400B
RGB	rgb(57, 64, 11)
HSL	hsl(68, 71%, 15%)
HSV	hsv(68, 83%, 25%)
CMYK	cmyk(10.9%, 0%, 82.8%, 74.9%)
CIE-LAB	lab(25.45, -11.02, 29.46)
CIE-LCH	lch(25.45, 31.45, 110.51°)
OKLab	oklab(35.35% -0.0331 0.0653)
OKLCH	oklch(35.35% 0.073 116.9)
XYZ	xyz(3.5812, 4.5609, 1.0082)
Luminance	0.0456 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39400B #120B40

analogous

#402D0B #39400B #1E400B

triadic

#39400B #0B3940 #400B39

tetradic

#39400B #0B402D #120B40 #400B1E

square

#39400B #0B402D #120B40 #400B1E

split-complementary

#39400B #0B1E40 #2D0B40

monochromatic

#171A04 #171A04 #39400B #687414 #96A81D

Accessibility & contrast

On white

10.98

#39400B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#39400B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39400B

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39400B	#FFFFFF	#000000	##FFFFFF
##39400B	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C03

Deuteranopia (green-blind)

#443D0F

Tritanopia (blue-blind)

#3D3C36

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #39400b;
/* rgb */ color: rgb(57, 64, 11);
/* oklch */ color: oklch(35.4% 0.073 116.9);

Tailwind

colors: {
  custom: {
    50: '#71744e',
    500: '#39400b',
    950: '#000000',
  },
}

SCSS

$custom: #39400b;
$custom-light: #71744e;
$custom-dark: #000000;

JSON

{
  "hex": "#39400b",
  "rgb": {
    "r": 57,
    "g": 64,
    "b": 11
  },
  "hsl": {
    "h": 67.925,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.35351,
    "c": 0.0732,
    "h": 116.9
  },
  "luminance": 0.04561
}

Semantic roles & 50–950 ramp

primary

#39400B

secondary

#352A7D

accent

#3AED52

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#080802

muted

#7B7B78

Preview Lab

Preview with #39400B

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

Preview Lab → · Contrast checker → · Palette generator →