#3F490A#3F490A

#3F490A is a dark, moderate yellow. Relative luminance 0.058; OKLCH L 38.4% C 0.083 H 118.7°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#3F490A
RGB	rgb(63, 73, 10)
HSL	hsl(70, 76%, 16%)
HSV	hsv(70, 86%, 29%)
CMYK	cmyk(13.7%, 0%, 86.3%, 71.4%)
CIE-LAB	lab(29.01, -13.32, 33.37)
CIE-LCH	lch(29.01, 35.93, 111.76°)
OKLab	oklab(38.35% -0.04 0.0731)
OKLCH	oklch(38.35% 0.083 118.7)
XYZ	xyz(4.4873, 5.8438, 1.1787)
Luminance	0.0584 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F490A #140A49

analogous

#49340A #3F490A #20490A

triadic

#3F490A #0A3F49 #490A3F

tetradic

#3F490A #0A4934 #140A49 #490A20

square

#3F490A #0A4934 #140A49 #490A20

split-complementary

#3F490A #0A2049 #340A49

monochromatic

#171B04 #171B04 #3F490A #6D7F11 #9CB519

Accessibility & contrast

On white

9.68

#3F490A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#3F490A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F490A

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F490A	#FFFFFF	#000000	##FFFFFF
##3F490A	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4400

Deuteranopia (green-blind)

#4D4510

Tritanopia (blue-blind)

#43443D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3f490a;
/* rgb */ color: rgb(63, 73, 10);
/* oklch */ color: oklch(38.4% 0.083 118.7);

Tailwind

colors: {
  custom: {
    50: '#767b4f',
    500: '#3f490a',
    950: '#000000',
  },
}

SCSS

$custom: #3f490a;
$custom-light: #767b4f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f490a",
  "rgb": {
    "r": 63,
    "g": 73,
    "b": 10
  },
  "hsl": {
    "h": 69.524,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.38352,
    "c": 0.08331,
    "h": 118.7
  },
  "luminance": 0.05844
}

Semantic roles & 50–950 ramp

primary

#3F490A

secondary

#382986

accent

#35F253

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090902

muted

#7B7B78

Preview Lab

Preview with #3F490A

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

Preview Lab → · Contrast checker → · Palette generator →