#2A280B#2A280B

#2A280B is a dark, muted yellow. Relative luminance 0.020; OKLCH L 27.2% C 0.045 H 105.3°. Best body text is #FFFFFF at 14.93:1 contrast (WCAG AA passes).

Color values

HEX	#2A280B
RGB	rgb(42, 40, 11)
HSL	hsl(56, 58%, 10%)
HSV	hsv(56, 74%, 16%)
CMYK	cmyk(0%, 4.8%, 73.8%, 83.5%)
CIE-LAB	lab(15.66, -3.85, 18.20)
CIE-LCH	lch(15.66, 18.60, 101.95°)
OKLab	oklab(27.16% -0.012 0.0436)
OKLCH	oklch(27.16% 0.045 105.3)
XYZ	xyz(1.7741, 2.0340, 0.6157)
Luminance	0.0203 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A280B #0B0D2A

analogous

#2A180B #2A280B #1C2A0B

triadic

#2A280B #0B2A28 #280B2A

tetradic

#2A280B #0B2A18 #0B0D2A #2A0B1C

square

#2A280B #0B2A18 #0B0D2A #2A0B1C

split-complementary

#2A280B #0B1C2A #180B2A

monochromatic

#181706 #181706 #2A280B #5A5618 #8B8424

Accessibility & contrast

On white

14.93

#2A280B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#2A280B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A280B

14.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A280B	#FFFFFF	#000000	##FFFFFF
##2A280B	1.00	14.93	1.41	14.93
#FFFFFF	14.93	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2608

Deuteranopia (green-blind)

#2D280D

Tritanopia (blue-blind)

#2E2522

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #2a280b;
/* rgb */ color: rgb(42, 40, 11);
/* oklch */ color: oklch(27.2% 0.045 105.3);

Tailwind

colors: {
  custom: {
    50: '#64614c',
    500: '#2a280b',
    950: '#000000',
  },
}

SCSS

$custom: #2a280b;
$custom-light: #64614c;
$custom-dark: #000000;

JSON

{
  "hex": "#2a280b",
  "rgb": {
    "r": 42,
    "g": 40,
    "b": 11
  },
  "hsl": {
    "h": 56.129,
    "s": 58.491,
    "l": 10.392
  },
  "oklch": {
    "l": 0.27164,
    "c": 0.04523,
    "h": 105.3
  },
  "luminance": 0.02034
}

Semantic roles & 50–950 ramp

primary

#2A280B

secondary

#2B2F66

accent

#50E246

background

#F6F5F4

surface

#EBE9E7

border

#C6C5C3

text

#050501

muted

#7A7977

Preview Lab

Preview with #2A280B

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

Preview Lab → · Contrast checker → · Palette generator →