#030B33#030B33

#030B33 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.6% C 0.080 H 266.2°. Best body text is #FFFFFF at 19.10:1 contrast (WCAG AA passes).

Color values

HEX	#030B33
RGB	rgb(3, 11, 51)
HSL	hsl(230, 89%, 11%)
HSV	hsv(230, 94%, 20%)
CMYK	cmyk(94.1%, 78.4%, 0%, 80%)
CIE-LAB	lab(4.49, 11.54, -26.30)
CIE-LCH	lch(4.49, 28.72, 293.68°)
OKLab	oklab(17.63% -0.0053 -0.0797)
OKLCH	oklch(17.63% 0.08 266.2)
XYZ	xyz(0.7546, 0.4976, 3.1876)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 2.97

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030B33 #332B03

analogous

#032333 #030B33 #130333

triadic

#030B33 #33030B #0B3303

tetradic

#030B33 #330323 #332B03 #033313

square

#030B33 #330323 #332B03 #033313

split-complementary

#030B33 #331303 #233303

monochromatic

#02061D #02061D #030B33 #06176D #0A24A7

Accessibility & contrast

On white

19.10

#030B33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#030B33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030B33

19.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030B33	#FFFFFF	#000000	##FFFFFF
##030B33	1.00	19.10	1.10	19.10
#FFFFFF	19.10	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001234

Deuteranopia (green-blind)

#000D32

Tritanopia (blue-blind)

#00161D

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #030b33;
/* rgb */ color: rgb(3, 11, 51);
/* oklch */ color: oklch(17.6% 0.080 266.2);

Tailwind

colors: {
  custom: {
    50: '#4b4b6b',
    500: '#030b33',
    950: '#000000',
  },
}

SCSS

$custom: #030b33;
$custom-light: #4b4b6b;
$custom-dark: #000000;

JSON

{
  "hex": "#030b33",
  "rgb": {
    "r": 3,
    "g": 11,
    "b": 51
  },
  "hsl": {
    "h": 230,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.17633,
    "c": 0.07984,
    "h": 266.2
  },
  "luminance": 0.00498
}

Semantic roles & 50–950 ramp

primary

#030B33

secondary

#76671C

accent

#DB29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #030B33

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

Preview Lab → · Contrast checker → · Palette generator →