#3F480A#3F480A

#3F480A is a dark, moderate yellow. Relative luminance 0.057; OKLCH L 38.1% C 0.082 H 117.9°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F480A
RGB	rgb(63, 72, 10)
HSL	hsl(69, 76%, 16%)
HSV	hsv(69, 86%, 28%)
CMYK	cmyk(12.5%, 0%, 86.1%, 71.8%)
CIE-LAB	lab(28.68, -12.74, 33.06)
CIE-LCH	lch(28.68, 35.43, 111.08°)
OKLab	oklab(38.08% -0.0384 0.0725)
OKLCH	oklch(38.08% 0.082 117.9)
XYZ	xyz(4.4222, 5.7135, 1.1569)
Luminance	0.0571 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F480A #130A48

analogous

#48320A #3F480A #20480A

triadic

#3F480A #0A3F48 #480A3F

tetradic

#3F480A #0A4832 #130A48 #480A20

square

#3F480A #0A4832 #130A48 #480A20

split-complementary

#3F480A #0A2048 #320A48

monochromatic

#181B04 #181B04 #3F480A #6E7E11 #9DB319

Accessibility & contrast

On white

9.80

#3F480A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3F480A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F480A

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F480A	#FFFFFF	#000000	##FFFFFF
##3F480A	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4300

Deuteranopia (green-blind)

#4D4410

Tritanopia (blue-blind)

#43433D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3f480a;
/* rgb */ color: rgb(63, 72, 10);
/* oklch */ color: oklch(38.1% 0.082 117.9);

Tailwind

colors: {
  custom: {
    50: '#767a4f',
    500: '#3f480a',
    950: '#000000',
  },
}

SCSS

$custom: #3f480a;
$custom-light: #767a4f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f480a",
  "rgb": {
    "r": 63,
    "g": 72,
    "b": 10
  },
  "hsl": {
    "h": 68.71,
    "s": 75.61,
    "l": 16.078
  },
  "oklch": {
    "l": 0.3808,
    "c": 0.08199,
    "h": 117.9
  },
  "luminance": 0.05713
}

Semantic roles & 50–950 ramp

primary

#3F480A

secondary

#362985

accent

#36F251

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090902

muted

#7B7B78

Preview Lab

Preview with #3F480A

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

Preview Lab → · Contrast checker → · Palette generator →