#030B38#030B38

#030B38 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.3% C 0.088 H 266.3°. Best body text is #FFFFFF at 18.94:1 contrast (WCAG AA passes).

Color values

HEX	#030B38
RGB	rgb(3, 11, 56)
HSL	hsl(231, 90%, 12%)
HSV	hsv(231, 95%, 22%)
CMYK	cmyk(94.6%, 80.4%, 0%, 78%)
CIE-LAB	lab(4.91, 14.47, -29.30)
CIE-LCH	lch(4.91, 32.68, 296.29°)
OKLab	oklab(18.25% -0.0056 -0.0875)
OKLCH	oklch(18.25% 0.088 266.3)
XYZ	xyz(0.8708, 0.5441, 3.7997)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030B38 #383003

analogous

#032638 #030B38 #160338

triadic

#030B38 #38030B #0B3803

tetradic

#030B38 #380326 #383003 #033816

square

#030B38 #380326 #383003 #033816

split-complementary

#030B38 #381603 #263803

monochromatic

#02061D #02061D #030B38 #061672 #0922AC

Accessibility & contrast

On white

18.94

#030B38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#030B38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030B38

18.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030B38	#FFFFFF	#000000	##FFFFFF
##030B38	1.00	18.94	1.11	18.94
#FFFFFF	18.94	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001339

Deuteranopia (green-blind)

#000E37

Tritanopia (blue-blind)

#001820

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #030b38;
/* rgb */ color: rgb(3, 11, 56);
/* oklch */ color: oklch(18.3% 0.088 266.3);

Tailwind

colors: {
  custom: {
    50: '#4d4b6f',
    500: '#030b38',
    950: '#000000',
  },
}

SCSS

$custom: #030b38;
$custom-light: #4d4b6f;
$custom-dark: #000000;

JSON

{
  "hex": "#030b38",
  "rgb": {
    "r": 3,
    "g": 11,
    "b": 56
  },
  "hsl": {
    "h": 230.943,
    "s": 89.831,
    "l": 11.569
  },
  "oklch": {
    "l": 0.18251,
    "c": 0.08767,
    "h": 266.3
  },
  "luminance": 0.00544
}

Semantic roles & 50–950 ramp

primary

#030B38

secondary

#7B6D1C

accent

#DF29FF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #030B38

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

Preview Lab → · Contrast checker → · Palette generator →