#030B2E#030B2E

#030B2E is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.0% C 0.072 H 265.9°. Best body text is #FFFFFF at 19.24:1 contrast (WCAG AA passes).

Color values

HEX	#030B2E
RGB	rgb(3, 11, 46)
HSL	hsl(229, 88%, 10%)
HSV	hsv(229, 93%, 18%)
CMYK	cmyk(93.5%, 76.1%, 0%, 82%)
CIE-LAB	lab(4.12, 8.88, -23.19)
CIE-LCH	lch(4.12, 24.83, 290.97°)
OKLab	oklab(17.04% -0.0051 -0.0715)
OKLCH	oklch(17.04% 0.072 265.9)
XYZ	xyz(0.6502, 0.4559, 2.6380)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.43

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030B2E #2E2603

analogous

#03212E #030B2E #11032E

triadic

#030B2E #2E030B #0B2E03

tetradic

#030B2E #2E0321 #2E2603 #032E11

square

#030B2E #2E0321 #2E2603 #032E11

split-complementary

#030B2E #2E1103 #212E03

monochromatic

#02071D #02071D #030B2E #071967 #0A26A1

Accessibility & contrast

On white

19.24

#030B2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#030B2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030B2E

19.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030B2E	#FFFFFF	#000000	##FFFFFF
##030B2E	1.00	19.24	1.09	19.24
#FFFFFF	19.24	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00112F

Deuteranopia (green-blind)

#000C2D

Tritanopia (blue-blind)

#00141A

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #030b2e;
/* rgb */ color: rgb(3, 11, 46);
/* oklch */ color: oklch(17.0% 0.072 265.9);

Tailwind

colors: {
  custom: {
    50: '#4a4b67',
    500: '#030b2e',
    950: '#000000',
  },
}

SCSS

$custom: #030b2e;
$custom-light: #4a4b67;
$custom-dark: #000000;

JSON

{
  "hex": "#030b2e",
  "rgb": {
    "r": 3,
    "g": 11,
    "b": 46
  },
  "hsl": {
    "h": 228.837,
    "s": 87.755,
    "l": 9.608
  },
  "oklch": {
    "l": 0.17039,
    "c": 0.0717,
    "h": 265.9
  },
  "luminance": 0.00456
}

Semantic roles & 50–950 ramp

primary

#030B2E

secondary

#72621B

accent

#D62AFE

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #030B2E

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

Preview Lab → · Contrast checker → · Palette generator →