#030A40#030A40

#030A40 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.1% C 0.101 H 266.5°. Best body text is #FFFFFF at 18.73:1 contrast (WCAG AA passes).

Color values

HEX	#030A40
RGB	rgb(3, 10, 64)
HSL	hsl(233, 91%, 13%)
HSV	hsv(233, 95%, 25%)
CMYK	cmyk(95.3%, 84.4%, 0%, 74.9%)
CIE-LAB	lab(5.48, 19.52, -34.16)
CIE-LCH	lch(5.48, 39.34, 299.75°)
OKLab	oklab(19.1% -0.0061 -0.1007)
OKLCH	oklch(19.1% 0.101 266.5)
XYZ	xyz(1.0712, 0.6065, 4.9101)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 1.89

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030A40 #403903

analogous

#032840 #030A40 #1A0340

triadic

#030A40 #40030A #0A4003

tetradic

#030A40 #400328 #403903 #03401A

square

#030A40 #400328 #403903 #03401A

split-complementary

#030A40 #401A03 #284003

monochromatic

#01051D #01051D #030A40 #06137A #081CB5

Accessibility & contrast

On white

18.73

#030A40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#030A40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030A40

18.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030A40	#FFFFFF	#000000	##FFFFFF
##030A40	1.00	18.73	1.12	18.73
#FFFFFF	18.73	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001542

Deuteranopia (green-blind)

#000F3F

Tritanopia (blue-blind)

#001A24

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #030a40;
/* rgb */ color: rgb(3, 10, 64);
/* oklch */ color: oklch(19.1% 0.101 266.5);

Tailwind

colors: {
  custom: {
    50: '#514a75',
    500: '#030a40',
    950: '#000000',
  },
}

SCSS

$custom: #030a40;
$custom-light: #514a75;
$custom-dark: #000000;

JSON

{
  "hex": "#030a40",
  "rgb": {
    "r": 3,
    "g": 10,
    "b": 64
  },
  "hsl": {
    "h": 233.115,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.19095,
    "c": 0.10086,
    "h": 266.5
  },
  "luminance": 0.00607
}

Semantic roles & 50–950 ramp

primary

#030A40

secondary

#82761D

accent

#E629FF

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #030A40

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

Preview Lab → · Contrast checker → · Palette generator →