#4E101B#4E101B

#4E101B is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.6% C 0.092 H 15.2°. Best body text is #FFFFFF at 14.85:1 contrast (WCAG AA passes).

Color values

HEX	#4E101B
RGB	rgb(78, 16, 27)
HSL	hsl(349, 66%, 18%)
HSV	hsv(349, 79%, 31%)
CMYK	cmyk(0%, 79.5%, 65.4%, 69.4%)
CIE-LAB	lab(15.85, 29.46, 9.79)
CIE-LCH	lch(15.85, 31.05, 18.38°)
OKLab	oklab(28.61% 0.0884 0.024)
OKLCH	oklch(28.61% 0.092 15.2)
XYZ	xyz(3.5254, 2.0699, 1.2506)
Luminance	0.0207 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E101B #104E43

analogous

#4E103A #4E101B #4E2410

triadic

#4E101B #1B4E10 #101B4E

tetradic

#4E101B #3A4E10 #104E43 #24104E

square

#4E101B #3A4E10 #104E43 #24104E

split-complementary

#4E101B #104E24 #103A4E

monochromatic

#190509 #1B0609 #4E101B #811A2D #B4253E

Accessibility & contrast

On white

14.85

#4E101B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#4E101B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E101B

14.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E101B	#FFFFFF	#000000	##FFFFFF
##4E101B	1.00	14.85	1.41	14.85
#FFFFFF	14.85	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201F1B

Deuteranopia (green-blind)

#302C19

Tritanopia (blue-blind)

#560215

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4e101b;
/* rgb */ color: rgb(78, 16, 27);
/* oklch */ color: oklch(28.6% 0.092 15.2);

Tailwind

colors: {
  custom: {
    50: '#845457',
    500: '#4e101b',
    950: '#000000',
  },
}

SCSS

$custom: #4e101b;
$custom-light: #845457;
$custom-dark: #000000;

JSON

{
  "hex": "#4e101b",
  "rgb": {
    "r": 78,
    "g": 16,
    "b": 27
  },
  "hsl": {
    "h": 349.355,
    "s": 65.957,
    "l": 18.431
  },
  "oklch": {
    "l": 0.28609,
    "c": 0.09161,
    "h": 15.2
  },
  "luminance": 0.02069
}

Semantic roles & 50–950 ramp

primary

#4E101B

secondary

#328879

accent

#E9CB3F

background

#F8F5F5

surface

#F0E8E9

border

#CBC4C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #4E101B

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

Preview Lab → · Contrast checker → · Palette generator →