#030D33#030D33

#030D33 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.1% C 0.077 H 265.2°. Best body text is #FFFFFF at 18.93:1 contrast (WCAG AA passes).

Color values

HEX	#030D33
RGB	rgb(3, 13, 51)
HSL	hsl(228, 89%, 11%)
HSV	hsv(228, 94%, 20%)
CMYK	cmyk(94.1%, 74.5%, 0%, 80%)
CIE-LAB	lab(4.93, 10.64, -25.60)
CIE-LCH	lch(4.93, 27.72, 292.57°)
OKLab	oklab(18.09% -0.0065 -0.0766)
OKLCH	oklch(18.09% 0.077 265.2)
XYZ	xyz(0.7788, 0.5461, 3.1957)
Luminance	0.0055 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.51

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030D33 #332903

analogous

#032533 #030D33 #110333

triadic

#030D33 #33030D #0D3303

tetradic

#030D33 #330325 #332903 #033311

square

#030D33 #330325 #332903 #033311

split-complementary

#030D33 #331103 #253303

monochromatic

#02071D #02071D #030D33 #061C6D #0A2AA7

Accessibility & contrast

On white

18.93

#030D33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#030D33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030D33

18.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030D33	#FFFFFF	#000000	##FFFFFF
##030D33	1.00	18.93	1.11	18.93
#FFFFFF	18.93	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001334

Deuteranopia (green-blind)

#000E32

Tritanopia (blue-blind)

#00171E

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #030d33;
/* rgb */ color: rgb(3, 13, 51);
/* oklch */ color: oklch(18.1% 0.077 265.2);

Tailwind

colors: {
  custom: {
    50: '#4b4c6b',
    500: '#030d33',
    950: '#000000',
  },
}

SCSS

$custom: #030d33;
$custom-light: #4b4c6b;
$custom-dark: #000000;

JSON

{
  "hex": "#030d33",
  "rgb": {
    "r": 3,
    "g": 13,
    "b": 51
  },
  "hsl": {
    "h": 227.5,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.18093,
    "c": 0.07692,
    "h": 265.2
  },
  "luminance": 0.00546
}

Semantic roles & 50–950 ramp

primary

#030D33

secondary

#76631C

accent

#D229FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #030D33

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

Preview Lab → · Contrast checker → · Palette generator →