#1F210A#1F210A

#1F210A is a very dark, muted yellow. Relative luminance 0.014; OKLCH L 23.9% C 0.039 H 113.4°. Best body text is #FFFFFF at 16.40:1 contrast (WCAG AA passes).

Color values

HEX	#1F210A
RGB	rgb(31, 33, 10)
HSL	hsl(65, 53%, 8%)
HSV	hsv(65, 70%, 13%)
CMYK	cmyk(6.1%, 0%, 69.7%, 87.1%)
CIE-LAB	lab(11.96, -5.30, 13.53)
CIE-LCH	lch(11.96, 14.53, 111.37°)
OKLab	oklab(23.92% -0.0153 0.0354)
OKLCH	oklch(23.92% 0.039 113.4)
XYZ	xyz(1.1637, 1.4010, 0.4962)
Luminance	0.0140 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F210A #0C0A21

analogous

#21170A #1F210A #13210A

triadic

#1F210A #0A1F21 #210A1F

tetradic

#1F210A #0A2117 #0C0A21 #210A13

square

#1F210A #0A2117 #0C0A21 #210A13

split-complementary

#1F210A #0A1321 #170A21

monochromatic

#161707 #161707 #1F210A #4B5018 #777F26

Accessibility & contrast

On white

16.40

#1F210A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#1F210A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F210A

16.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F210A	#FFFFFF	#000000	##FFFFFF
##1F210A	1.00	16.40	1.28	16.40
#FFFFFF	16.40	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#241F08

Deuteranopia (green-blind)

#24200B

Tritanopia (blue-blind)

#211F1C

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1f210a;
/* rgb */ color: rgb(31, 33, 10);
/* oklch */ color: oklch(23.9% 0.039 113.4);

Tailwind

colors: {
  custom: {
    50: '#5b5c4b',
    500: '#1f210a',
    950: '#000000',
  },
}

SCSS

$custom: #1f210a;
$custom-light: #5b5c4b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f210a",
  "rgb": {
    "r": 31,
    "g": 33,
    "b": 10
  },
  "hsl": {
    "h": 65.217,
    "s": 53.488,
    "l": 8.431
  },
  "oklch": {
    "l": 0.23923,
    "c": 0.03855,
    "h": 113.4
  },
  "luminance": 0.01401
}

Semantic roles & 50–950 ramp

primary

#1F210A

secondary

#2F2A5D

accent

#4BDD58

background

#F5F5F4

surface

#E9E9E7

border

#C5C5C3

text

#040401

muted

#797977

Preview Lab

Preview with #1F210A

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

Preview Lab → · Contrast checker → · Palette generator →