#030B2D#030B2D

#030B2D is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.9% C 0.070 H 265.8°. Best body text is #FFFFFF at 19.27:1 contrast (WCAG AA passes).

Color values

HEX	#030B2D
RGB	rgb(3, 11, 45)
HSL	hsl(229, 88%, 9%)
HSV	hsv(229, 93%, 18%)
CMYK	cmyk(93.3%, 75.6%, 0%, 82.4%)
CIE-LAB	lab(4.05, 8.39, -22.55)
CIE-LCH	lch(4.05, 24.06, 290.41°)
OKLab	oklab(16.92% -0.0051 -0.0698)
OKLCH	oklch(16.92% 0.07 265.8)
XYZ	xyz(0.6307, 0.4481, 2.5354)
Luminance	0.0045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.75

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030B2D #2D2503

analogous

#03202D #030B2D #10032D

triadic

#030B2D #2D030B #0B2D03

tetradic

#030B2D #2D0320 #2D2503 #032D10

square

#030B2D #2D0320 #2D2503 #032D10

split-complementary

#030B2D #2D1003 #202D03

monochromatic

#02071D #02071D #030B2D #071966 #0B27A0

Accessibility & contrast

On white

19.27

#030B2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#030B2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030B2D

19.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030B2D	#FFFFFF	#000000	##FFFFFF
##030B2D	1.00	19.27	1.09	19.27
#FFFFFF	19.27	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00102E

Deuteranopia (green-blind)

#000C2C

Tritanopia (blue-blind)

#00141A

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #030b2d;
/* rgb */ color: rgb(3, 11, 45);
/* oklch */ color: oklch(16.9% 0.070 265.8);

Tailwind

colors: {
  custom: {
    50: '#494b66',
    500: '#030b2d',
    950: '#000000',
  },
}

SCSS

$custom: #030b2d;
$custom-light: #494b66;
$custom-dark: #000000;

JSON

{
  "hex": "#030b2d",
  "rgb": {
    "r": 3,
    "g": 11,
    "b": 45
  },
  "hsl": {
    "h": 228.571,
    "s": 87.5,
    "l": 9.412
  },
  "oklch": {
    "l": 0.16923,
    "c": 0.07004,
    "h": 265.8
  },
  "luminance": 0.00448
}

Semantic roles & 50–950 ramp

primary

#030B2D

secondary

#71601B

accent

#D52AFE

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #030B2D

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

Preview Lab → · Contrast checker → · Palette generator →