#030D1B#030D1B

#030D1B is a very dark, muted blue. Relative luminance 0.004; OKLCH L 15.7% C 0.035 H 253.2°. Best body text is #FFFFFF at 19.49:1 contrast (WCAG AA passes).

Color values

HEX	#030D1B
RGB	rgb(3, 13, 27)
HSL	hsl(215, 80%, 6%)
HSV	hsv(215, 89%, 11%)
CMYK	cmyk(88.9%, 51.9%, 0%, 89.4%)
CIE-LAB	lab(3.49, 0.49, -9.52)
CIE-LCH	lch(3.49, 9.53, 272.96°)
OKLab	oklab(15.7% -0.0101 -0.0334)
OKLCH	oklch(15.7% 0.035 253.2)
XYZ	xyz(0.3792, 0.3863, 1.0913)
Luminance	0.0039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030D1B #1B1103

analogous

#03191B #030D1B #05031B

triadic

#030D1B #1B030D #0D1B03

tetradic

#030D1B #1B0319 #1B1103 #031B05

square

#030D1B #1B0319 #1B1103 #031B05

split-complementary

#030D1B #1B0503 #191B03

monochromatic

#030D1C #030D1C #030D1C #092852 #0F4289

Accessibility & contrast

On white

19.49

#030D1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#030D1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030D1B

19.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030D1B	#FFFFFF	#000000	##FFFFFF
##030D1B	1.00	19.49	1.08	19.49
#FFFFFF	19.49	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#070E1C

Deuteranopia (green-blind)

#040B1B

Tritanopia (blue-blind)

#001012

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #030d1b;
/* rgb */ color: rgb(3, 13, 27);
/* oklch */ color: oklch(15.7% 0.035 253.2);

Tailwind

colors: {
  custom: {
    50: '#474d57',
    500: '#030d1b',
    950: '#000000',
  },
}

SCSS

$custom: #030d1b;
$custom-light: #474d57;
$custom-dark: #000000;

JSON

{
  "hex": "#030d1b",
  "rgb": {
    "r": 3,
    "g": 13,
    "b": 27
  },
  "hsl": {
    "h": 215,
    "s": 80,
    "l": 5.882
  },
  "oklch": {
    "l": 0.15698,
    "c": 0.03486,
    "h": 253.2
  },
  "luminance": 0.00386
}

Semantic roles & 50–950 ramp

primary

#030D1B

secondary

#5F431B

accent

#A431F6

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000103

muted

#777778

Preview Lab

Preview with #030D1B

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

Preview Lab → · Contrast checker → · Palette generator →