#3F390F#3F390F

#3F390F is a dark, muted yellow. Relative luminance 0.040; OKLCH L 34.1% C 0.060 H 101.1°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#3F390F
RGB	rgb(63, 57, 15)
HSL	hsl(53, 62%, 15%)
HSV	hsv(53, 76%, 25%)
CMYK	cmyk(0%, 9.5%, 76.2%, 75.3%)
CIE-LAB	lab(23.73, -3.34, 26.10)
CIE-LCH	lch(23.73, 26.31, 97.30°)
OKLab	oklab(34.14% -0.0115 0.0588)
OKLCH	oklch(34.14% 0.06 101.1)
XYZ	xyz(3.5994, 4.0177, 1.0377)
Luminance	0.0402 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F390F #0F153F

analogous

#3F210F #3F390F #2D3F0F

triadic

#3F390F #0F3F39 #390F3F

tetradic

#3F390F #0F3F21 #0F153F #3F0F2D

square

#3F390F #0F3F21 #0F153F #3F0F2D

split-complementary

#3F390F #0F2D3F #210F3F

monochromatic

#191606 #191606 #3F390F #70661B #A29227

Accessibility & contrast

On white

11.64

#3F390F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#3F390F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F390F

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F390F	#FFFFFF	#000000	##FFFFFF
##3F390F	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3709

Deuteranopia (green-blind)

#413A11

Tritanopia (blue-blind)

#443430

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #3f390f;
/* rgb */ color: rgb(63, 57, 15);
/* oklch */ color: oklch(34.1% 0.060 101.1);

Tailwind

colors: {
  custom: {
    50: '#766f50',
    500: '#3f390f',
    950: '#000000',
  },
}

SCSS

$custom: #3f390f;
$custom-light: #766f50;
$custom-dark: #000000;

JSON

{
  "hex": "#3f390f",
  "rgb": {
    "r": 63,
    "g": 57,
    "b": 15
  },
  "hsl": {
    "h": 52.5,
    "s": 61.538,
    "l": 15.294
  },
  "oklch": {
    "l": 0.34136,
    "c": 0.05989,
    "h": 101.1
  },
  "luminance": 0.04018
}

Semantic roles & 50–950 ramp

primary

#3F390F

secondary

#303979

accent

#57E543

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #3F390F

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

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