#030C40#030C40

#030C40 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.5% C 0.098 H 266.1°. Best body text is #FFFFFF at 18.58:1 contrast (WCAG AA passes).

Color values

HEX	#030C40
RGB	rgb(3, 12, 64)
HSL	hsl(231, 91%, 13%)
HSV	hsv(231, 95%, 25%)
CMYK	cmyk(95.3%, 81.2%, 0%, 74.9%)
CIE-LAB	lab(5.89, 18.53, -33.48)
CIE-LCH	lch(5.89, 38.27, 298.97°)
OKLab	oklab(19.47% -0.0067 -0.0982)
OKLCH	oklch(19.47% 0.098 266.1)
XYZ	xyz(1.0941, 0.6523, 4.9177)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 1.55

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030C40 #403703

analogous

#032A40 #030C40 #180340

triadic

#030C40 #40030C #0C4003

tetradic

#030C40 #40032A #403703 #034018

square

#030C40 #40032A #403703 #034018

split-complementary

#030C40 #401803 #2A4003

monochromatic

#01051D #01051D #030C40 #06177A #0822B5

Accessibility & contrast

On white

18.58

#030C40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#030C40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030C40

18.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030C40	#FFFFFF	#000000	##FFFFFF
##030C40	1.00	18.58	1.13	18.58
#FFFFFF	18.58	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001642

Deuteranopia (green-blind)

#00103F

Tritanopia (blue-blind)

#001B25

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #030c40;
/* rgb */ color: rgb(3, 12, 64);
/* oklch */ color: oklch(19.5% 0.098 266.1);

Tailwind

colors: {
  custom: {
    50: '#514b75',
    500: '#030c40',
    950: '#000000',
  },
}

SCSS

$custom: #030c40;
$custom-light: #514b75;
$custom-dark: #000000;

JSON

{
  "hex": "#030c40",
  "rgb": {
    "r": 3,
    "g": 12,
    "b": 64
  },
  "hsl": {
    "h": 231.148,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.19469,
    "c": 0.09841,
    "h": 266.1
  },
  "luminance": 0.00652
}

Semantic roles & 50–950 ramp

primary

#030C40

secondary

#82731D

accent

#DF29FF

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #030C40

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

Preview Lab → · Contrast checker → · Palette generator →