#030C33#030C33

#030C33 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.9% C 0.078 H 265.7°. Best body text is #FFFFFF at 19.02:1 contrast (WCAG AA passes).

Color values

HEX	#030C33
RGB	rgb(3, 12, 51)
HSL	hsl(229, 89%, 11%)
HSV	hsv(229, 94%, 20%)
CMYK	cmyk(94.1%, 76.5%, 0%, 80%)
CIE-LAB	lab(4.71, 11.10, -25.96)
CIE-LCH	lch(4.71, 28.24, 293.15°)
OKLab	oklab(17.86% -0.0059 -0.0782)
OKLCH	oklch(17.86% 0.078 265.7)
XYZ	xyz(0.7664, 0.5212, 3.1915)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.23

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030C33 #332A03

analogous

#032433 #030C33 #120333

triadic

#030C33 #33030C #0C3303

tetradic

#030C33 #330324 #332A03 #033312

square

#030C33 #330324 #332A03 #033312

split-complementary

#030C33 #331203 #243303

monochromatic

#02071D #02071D #030C33 #061A6D #0A27A7

Accessibility & contrast

On white

19.02

#030C33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#030C33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030C33

19.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030C33	#FFFFFF	#000000	##FFFFFF
##030C33	1.00	19.02	1.10	19.02
#FFFFFF	19.02	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001334

Deuteranopia (green-blind)

#000E32

Tritanopia (blue-blind)

#00161D

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #030c33;
/* rgb */ color: rgb(3, 12, 51);
/* oklch */ color: oklch(17.9% 0.078 265.7);

Tailwind

colors: {
  custom: {
    50: '#4b4c6b',
    500: '#030c33',
    950: '#000000',
  },
}

SCSS

$custom: #030c33;
$custom-light: #4b4c6b;
$custom-dark: #000000;

JSON

{
  "hex": "#030c33",
  "rgb": {
    "r": 3,
    "g": 12,
    "b": 51
  },
  "hsl": {
    "h": 228.75,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.1786,
    "c": 0.07839,
    "h": 265.7
  },
  "luminance": 0.00521
}

Semantic roles & 50–950 ramp

primary

#030C33

secondary

#76651C

accent

#D729FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #030C33

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

Preview Lab → · Contrast checker → · Palette generator →