#3F450C#3F450C

#3F450C is a dark, moderate yellow. Relative luminance 0.053; OKLCH L 37.3% C 0.077 H 115.5°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#3F450C
RGB	rgb(63, 69, 12)
HSL	hsl(66, 70%, 16%)
HSV	hsv(66, 83%, 27%)
CMYK	cmyk(8.7%, 0%, 82.6%, 72.9%)
CIE-LAB	lab(27.68, -10.89, 31.37)
CIE-LCH	lch(27.68, 33.21, 109.14°)
OKLab	oklab(37.28% -0.0331 0.0693)
OKLCH	oklch(37.28% 0.077 115.5)
XYZ	xyz(4.2445, 5.3396, 1.1548)
Luminance	0.0534 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F450C #120C45

analogous

#452E0C #3F450C #22450C

triadic

#3F450C #0C3F45 #450C3F

tetradic

#3F450C #0C452E #120C45 #450C22

square

#3F450C #0C452E #120C45 #450C22

split-complementary

#3F450C #0C2245 #2E0C45

monochromatic

#181A05 #181A05 #3F450C #6F7915 #9EAD1E

Accessibility & contrast

On white

10.15

#3F450C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3F450C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F450C

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F450C	#FFFFFF	#000000	##FFFFFF
##3F450C	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4103

Deuteranopia (green-blind)

#4A4211

Tritanopia (blue-blind)

#44403A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3f450c;
/* rgb */ color: rgb(63, 69, 12);
/* oklch */ color: oklch(37.3% 0.077 115.5);

Tailwind

colors: {
  custom: {
    50: '#767850',
    500: '#3f450c',
    950: '#000000',
  },
}

SCSS

$custom: #3f450c;
$custom-light: #767850;
$custom-dark: #000000;

JSON

{
  "hex": "#3f450c",
  "rgb": {
    "r": 63,
    "g": 69,
    "b": 12
  },
  "hsl": {
    "h": 66.316,
    "s": 70.37,
    "l": 15.882
  },
  "oklch": {
    "l": 0.37283,
    "c": 0.07677,
    "h": 115.5
  },
  "luminance": 0.0534
}

Semantic roles & 50–950 ramp

primary

#3F450C

secondary

#352C81

accent

#3BED4D

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090902

muted

#7B7B78

Preview Lab

Preview with #3F450C

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

Preview Lab → · Contrast checker → · Palette generator →