#04151E#04151E

#04151E is a very dark, muted cyan. Relative luminance 0.007; OKLCH L 18.6% C 0.030 H 232.7°. Best body text is #FFFFFF at 18.56:1 contrast (WCAG AA passes).

Color values

HEX	#04151E
RGB	rgb(4, 21, 30)
HSL	hsl(201, 76%, 7%)
HSV	hsv(201, 87%, 12%)
CMYK	cmyk(86.7%, 30%, 0%, 88.2%)
CIE-LAB	lab(5.92, -2.90, -8.21)
CIE-LCH	lch(5.92, 8.71, 250.54°)
OKLab	oklab(18.56% -0.0183 -0.024)
OKLCH	oklch(18.56% 0.03 232.7)
XYZ	xyz(0.5525, 0.6558, 1.3255)
Luminance	0.0066 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04151E #1E0D04

analogous

#041E1A #04151E #04081E

triadic

#04151E #1E0415 #151E04

tetradic

#04151E #1A041E #1E0D04 #081E04

square

#04151E #1A041E #1E0D04 #081E04

split-complementary

#04151E #1E0408 #1E1A04

monochromatic

#04131B #04131B #04151E #0B3B54 #12618A

Accessibility & contrast

On white

18.56

#04151E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#04151E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04151E

18.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04151E	#FFFFFF	#000000	##FFFFFF
##04151E	1.00	18.56	1.13	18.56
#FFFFFF	18.56	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11151E

Deuteranopia (green-blind)

#0D121E

Tritanopia (blue-blind)

#001718

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #04151e;
/* rgb */ color: rgb(4, 21, 30);
/* oklch */ color: oklch(18.6% 0.030 232.7);

Tailwind

colors: {
  custom: {
    50: '#485259',
    500: '#04151e',
    950: '#000000',
  },
}

SCSS

$custom: #04151e;
$custom-light: #485259;
$custom-dark: #000000;

JSON

{
  "hex": "#04151e",
  "rgb": {
    "r": 4,
    "g": 21,
    "b": 30
  },
  "hsl": {
    "h": 200.769,
    "s": 76.471,
    "l": 6.667
  },
  "oklch": {
    "l": 0.18558,
    "c": 0.03021,
    "h": 232.7
  },
  "luminance": 0.00656
}

Semantic roles & 50–950 ramp

primary

#04151E

secondary

#61351D

accent

#7735F3

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000203

muted

#777878

Preview Lab

Preview with #04151E

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

Preview Lab → · Contrast checker → · Palette generator →