#030B2F#030B2F

#030B2F is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.2% C 0.073 H 266.0°. Best body text is #FFFFFF at 19.22:1 contrast (WCAG AA passes).

Color values

HEX	#030B2F
RGB	rgb(3, 11, 47)
HSL	hsl(229, 88%, 10%)
HSV	hsv(229, 94%, 18%)
CMYK	cmyk(93.6%, 76.6%, 0%, 81.6%)
CIE-LAB	lab(4.19, 9.39, -23.82)
CIE-LCH	lch(4.19, 25.60, 291.51°)
OKLab	oklab(17.16% -0.0051 -0.0732)
OKLCH	oklch(17.16% 0.073 266)
XYZ	xyz(0.6701, 0.4639, 2.7430)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.12

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030B2F #2F2703

analogous

#03212F #030B2F #11032F

triadic

#030B2F #2F030B #0B2F03

tetradic

#030B2F #2F0321 #2F2703 #032F11

square

#030B2F #2F0321 #2F2703 #032F11

split-complementary

#030B2F #2F1103 #212F03

monochromatic

#02071D #02071D #030B2F #071869 #0A26A2

Accessibility & contrast

On white

19.22

#030B2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#030B2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030B2F

19.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030B2F	#FFFFFF	#000000	##FFFFFF
##030B2F	1.00	19.22	1.09	19.22
#FFFFFF	19.22	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001130

Deuteranopia (green-blind)

#000D2E

Tritanopia (blue-blind)

#00141B

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #030b2f;
/* rgb */ color: rgb(3, 11, 47);
/* oklch */ color: oklch(17.2% 0.073 266.0);

Tailwind

colors: {
  custom: {
    50: '#4a4b68',
    500: '#030b2f',
    950: '#000000',
  },
}

SCSS

$custom: #030b2f;
$custom-light: #4a4b68;
$custom-dark: #000000;

JSON

{
  "hex": "#030b2f",
  "rgb": {
    "r": 3,
    "g": 11,
    "b": 47
  },
  "hsl": {
    "h": 229.091,
    "s": 88,
    "l": 9.804
  },
  "oklch": {
    "l": 0.17156,
    "c": 0.07335,
    "h": 266
  },
  "luminance": 0.00464
}

Semantic roles & 50–950 ramp

primary

#030B2F

secondary

#73631B

accent

#D82AFE

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #030B2F

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

Preview Lab → · Contrast checker → · Palette generator →