#030A33#030A33

#030A33 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.4% C 0.081 H 266.7°. Best body text is #FFFFFF at 19.18:1 contrast (WCAG AA passes).

Color values

HEX	#030A33
RGB	rgb(3, 10, 51)
HSL	hsl(231, 89%, 11%)
HSV	hsv(231, 94%, 20%)
CMYK	cmyk(94.1%, 80.4%, 0%, 80%)
CIE-LAB	lab(4.29, 11.94, -26.63)
CIE-LCH	lch(4.29, 29.18, 294.16°)
OKLab	oklab(17.41% -0.0047 -0.0811)
OKLCH	oklch(17.41% 0.081 266.7)
XYZ	xyz(0.7434, 0.4754, 3.1839)
Luminance	0.0047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030A33 #332C03

analogous

#032233 #030A33 #140333

triadic

#030A33 #33030A #0A3303

tetradic

#030A33 #330322 #332C03 #033314

square

#030A33 #330322 #332C03 #033314

split-complementary

#030A33 #331403 #223303

monochromatic

#02061D #02061D #030A33 #06156D #0A21A7

Accessibility & contrast

On white

19.18

#030A33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#030A33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030A33

19.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030A33	#FFFFFF	#000000	##FFFFFF
##030A33	1.00	19.18	1.10	19.18
#FFFFFF	19.18	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001134

Deuteranopia (green-blind)

#000D32

Tritanopia (blue-blind)

#00151D

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #030a33;
/* rgb */ color: rgb(3, 10, 51);
/* oklch */ color: oklch(17.4% 0.081 266.7);

Tailwind

colors: {
  custom: {
    50: '#4b4b6b',
    500: '#030a33',
    950: '#000000',
  },
}

SCSS

$custom: #030a33;
$custom-light: #4b4b6b;
$custom-dark: #000000;

JSON

{
  "hex": "#030a33",
  "rgb": {
    "r": 3,
    "g": 10,
    "b": 51
  },
  "hsl": {
    "h": 231.25,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.17414,
    "c": 0.08125,
    "h": 266.7
  },
  "luminance": 0.00475
}

Semantic roles & 50–950 ramp

primary

#030A33

secondary

#76691C

accent

#E029FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #030A33

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

Preview Lab → · Contrast checker → · Palette generator →