#030D3A#030D3A

#030D3A is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.9% C 0.088 H 265.6°. Best body text is #FFFFFF at 18.71:1 contrast (WCAG AA passes).

Color values

HEX	#030D3A
RGB	rgb(3, 13, 58)
HSL	hsl(229, 90%, 12%)
HSV	hsv(229, 95%, 23%)
CMYK	cmyk(94.8%, 77.6%, 0%, 77.3%)
CIE-LAB	lab(5.53, 14.69, -29.75)
CIE-LCH	lch(5.53, 33.18, 296.29°)
OKLab	oklab(18.92% -0.0067 -0.0878)
OKLCH	oklch(18.92% 0.088 265.6)
XYZ	xyz(0.9449, 0.6126, 4.0706)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030D3A #3A3003

analogous

#03293A #030D3A #15033A

triadic

#030D3A #3A030D #0D3A03

tetradic

#030D3A #3A0329 #3A3003 #033A15

square

#030D3A #3A0329 #3A3003 #033A15

split-complementary

#030D3A #3A1503 #293A03

monochromatic

#02071D #02071D #030D3A #061A74 #0927AE

Accessibility & contrast

On white

18.71

#030D3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#030D3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030D3A

18.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030D3A	#FFFFFF	#000000	##FFFFFF
##030D3A	1.00	18.71	1.12	18.71
#FFFFFF	18.71	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00153B

Deuteranopia (green-blind)

#000F39

Tritanopia (blue-blind)

#001922

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #030d3a;
/* rgb */ color: rgb(3, 13, 58);
/* oklch */ color: oklch(18.9% 0.088 265.6);

Tailwind

colors: {
  custom: {
    50: '#4e4c71',
    500: '#030d3a',
    950: '#000000',
  },
}

SCSS

$custom: #030d3a;
$custom-light: #4e4c71;
$custom-dark: #000000;

JSON

{
  "hex": "#030d3a",
  "rgb": {
    "r": 3,
    "g": 13,
    "b": 58
  },
  "hsl": {
    "h": 229.091,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.18923,
    "c": 0.08802,
    "h": 265.6
  },
  "luminance": 0.00613
}

Semantic roles & 50–950 ramp

primary

#030D3A

secondary

#7D6B1C

accent

#D829FF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #030D3A

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

Preview Lab → · Contrast checker → · Palette generator →