#030F2B#030F2B

#030F2B is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.7% C 0.060 H 261.8°. Best body text is #FFFFFF at 18.97:1 contrast (WCAG AA passes).

Color values

HEX	#030F2B
RGB	rgb(3, 15, 43)
HSL	hsl(222, 87%, 9%)
HSV	hsv(222, 93%, 17%)
CMYK	cmyk(93%, 65.1%, 0%, 83.1%)
CIE-LAB	lab(4.84, 5.55, -19.80)
CIE-LCH	lch(4.84, 20.56, 285.66°)
OKLab	oklab(17.74% -0.0086 -0.0598)
OKLCH	oklch(17.74% 0.06 261.8)
XYZ	xyz(0.6443, 0.5353, 2.3544)
Luminance	0.0053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.54

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030F2B #2B1F03

analogous

#03232B #030F2B #0B032B

triadic

#030F2B #2B030F #0F2B03

tetradic

#030F2B #2B0323 #2B1F03 #032B0B

square

#030F2B #2B0323 #2B1F03 #032B0B

split-complementary

#030F2B #2B0B03 #232B03

monochromatic

#020A1D #020A1D #030F2B #072364 #0B379D

Accessibility & contrast

On white

18.97

#030F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#030F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030F2B

18.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030F2B	#FFFFFF	#000000	##FFFFFF
##030F2B	1.00	18.97	1.11	18.97
#FFFFFF	18.97	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01122C

Deuteranopia (green-blind)

#000F2A

Tritanopia (blue-blind)

#00161B

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #030f2b;
/* rgb */ color: rgb(3, 15, 43);
/* oklch */ color: oklch(17.7% 0.060 261.8);

Tailwind

colors: {
  custom: {
    50: '#494d64',
    500: '#030f2b',
    950: '#000000',
  },
}

SCSS

$custom: #030f2b;
$custom-light: #494d64;
$custom-dark: #000000;

JSON

{
  "hex": "#030f2b",
  "rgb": {
    "r": 3,
    "g": 15,
    "b": 43
  },
  "hsl": {
    "h": 222,
    "s": 86.957,
    "l": 9.02
  },
  "oklch": {
    "l": 0.17738,
    "c": 0.06037,
    "h": 261.8
  },
  "luminance": 0.00535
}

Semantic roles & 50–950 ramp

primary

#030F2B

secondary

#6F561B

accent

#BE2BFD

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #030F2B

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

Preview Lab → · Contrast checker → · Palette generator →