#030B40#030B40

#030B40 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.3% C 0.100 H 266.3°. Best body text is #FFFFFF at 18.65:1 contrast (WCAG AA passes).

Color values

HEX	#030B40
RGB	rgb(3, 11, 64)
HSL	hsl(232, 91%, 13%)
HSV	hsv(232, 95%, 25%)
CMYK	cmyk(95.3%, 82.8%, 0%, 74.9%)
CIE-LAB	lab(5.68, 19.04, -33.83)
CIE-LCH	lch(5.68, 38.82, 299.38°)
OKLab	oklab(19.28% -0.0064 -0.0994)
OKLCH	oklch(19.28% 0.1 266.3)
XYZ	xyz(1.0823, 0.6287, 4.9138)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 1.72

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030B40 #403803

analogous

#032940 #030B40 #190340

triadic

#030B40 #40030B #0B4003

tetradic

#030B40 #400329 #403803 #034019

square

#030B40 #400329 #403803 #034019

split-complementary

#030B40 #401903 #294003

monochromatic

#01051D #01051D #030B40 #06157A #081FB5

Accessibility & contrast

On white

18.65

#030B40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#030B40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030B40

18.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030B40	#FFFFFF	#000000	##FFFFFF
##030B40	1.00	18.65	1.13	18.65
#FFFFFF	18.65	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001642

Deuteranopia (green-blind)

#000F3F

Tritanopia (blue-blind)

#001A24

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #030b40;
/* rgb */ color: rgb(3, 11, 64);
/* oklch */ color: oklch(19.3% 0.100 266.3);

Tailwind

colors: {
  custom: {
    50: '#514a75',
    500: '#030b40',
    950: '#000000',
  },
}

SCSS

$custom: #030b40;
$custom-light: #514a75;
$custom-dark: #000000;

JSON

{
  "hex": "#030b40",
  "rgb": {
    "r": 3,
    "g": 11,
    "b": 64
  },
  "hsl": {
    "h": 232.131,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.19278,
    "c": 0.09966,
    "h": 266.3
  },
  "luminance": 0.00629
}

Semantic roles & 50–950 ramp

primary

#030B40

secondary

#82751D

accent

#E329FF

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #030B40

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

Preview Lab → · Contrast checker → · Palette generator →