#030B47#030B47

#030B47 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.2% C 0.110 H 266.2°. Best body text is #FFFFFF at 18.38:1 contrast (WCAG AA passes).

Color values

HEX	#030B47
RGB	rgb(3, 11, 71)
HSL	hsl(233, 92%, 15%)
HSV	hsv(233, 96%, 28%)
CMYK	cmyk(95.8%, 84.5%, 0%, 72.2%)
CIE-LAB	lab(6.45, 22.65, -37.53)
CIE-LCH	lch(6.45, 43.84, 301.11°)
OKLab	oklab(20.21% -0.0073 -0.1094)
OKLCH	oklch(20.21% 0.11 266.2)
XYZ	xyz(1.2942, 0.7135, 6.0295)
Luminance	0.0071 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030B47 #473F03

analogous

#032D47 #030B47 #1D0347

triadic

#030B47 #47030B #0B4703

tetradic

#030B47 #47032D #473F03 #03471D

square

#030B47 #47032D #473F03 #03471D

split-complementary

#030B47 #471D03 #2D4703

monochromatic

#01051D #01051D #030B47 #051482 #081DBC

Accessibility & contrast

On white

18.38

#030B47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#030B47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030B47

18.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030B47	#FFFFFF	#000000	##FFFFFF
##030B47	1.00	18.38	1.14	18.38
#FFFFFF	18.38	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001849

Deuteranopia (green-blind)

#001146

Tritanopia (blue-blind)

#001D28

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #030b47;
/* rgb */ color: rgb(3, 11, 71);
/* oklch */ color: oklch(20.2% 0.110 266.2);

Tailwind

colors: {
  custom: {
    50: '#544a7b',
    500: '#030b47',
    950: '#000000',
  },
}

SCSS

$custom: #030b47;
$custom-light: #544a7b;
$custom-dark: #000000;

JSON

{
  "hex": "#030b47",
  "rgb": {
    "r": 3,
    "g": 11,
    "b": 71
  },
  "hsl": {
    "h": 232.941,
    "s": 91.892,
    "l": 14.51
  },
  "oklch": {
    "l": 0.20207,
    "c": 0.10965,
    "h": 266.2
  },
  "luminance": 0.00714
}

Semantic roles & 50–950 ramp

primary

#030B47

secondary

#887C1E

accent

#E629FF

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030109

muted

#78777B

Preview Lab

Preview with #030B47

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

Preview Lab → · Contrast checker → · Palette generator →