#37310F#37310F

#37310F is a dark, muted yellow. Relative luminance 0.030; OKLCH L 31.1% C 0.051 H 99.3°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#37310F
RGB	rgb(55, 49, 15)
HSL	hsl(51, 57%, 14%)
HSV	hsv(51, 73%, 22%)
CMYK	cmyk(0%, 10.9%, 72.7%, 78.4%)
CIE-LAB	lab(20.22, -2.42, 22.07)
CIE-LCH	lch(20.22, 22.20, 96.26°)
OKLab	oklab(31.14% -0.0083 0.0506)
OKLCH	oklch(31.14% 0.051 99.3)
XYZ	xyz(2.7602, 3.0435, 0.8939)
Luminance	0.0304 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37310F #0F1537

analogous

#371D0F #37310F #29370F

triadic

#37310F #0F3731 #310F37

tetradic

#37310F #0F371D #0F1537 #370F29

square

#37310F #0F371D #0F1537 #370F29

split-complementary

#37310F #0F2937 #1D0F37

monochromatic

#181507 #181507 #37310F #675C1C #978729

Accessibility & contrast

On white

13.05

#37310F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#37310F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37310F

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37310F	#FFFFFF	#000000	##FFFFFF
##37310F	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36300B

Deuteranopia (green-blind)

#383211

Tritanopia (blue-blind)

#3C2D2A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #37310f;
/* rgb */ color: rgb(55, 49, 15);
/* oklch */ color: oklch(31.1% 0.051 99.3);

Tailwind

colors: {
  custom: {
    50: '#6f684f',
    500: '#37310f',
    950: '#000000',
  },
}

SCSS

$custom: #37310f;
$custom-light: #6f684f;
$custom-dark: #000000;

JSON

{
  "hex": "#37310f",
  "rgb": {
    "r": 55,
    "g": 49,
    "b": 15
  },
  "hsl": {
    "h": 51,
    "s": 57.143,
    "l": 13.725
  },
  "oklch": {
    "l": 0.31139,
    "c": 0.05126,
    "h": 99.3
  },
  "luminance": 0.03043
}

Semantic roles & 50–950 ramp

primary

#37310F

secondary

#313A71

accent

#5EE047

background

#F6F6F4

surface

#ECEBE7

border

#C7C6C3

text

#070602

muted

#7A7A78

Preview Lab

Preview with #37310F

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

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