#030F33#030F33

#030F33 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.6% C 0.074 H 263.9°. Best body text is #FFFFFF at 18.75:1 contrast (WCAG AA passes).

Color values

HEX	#030F33
RGB	rgb(3, 15, 51)
HSL	hsl(225, 89%, 11%)
HSV	hsv(225, 94%, 20%)
CMYK	cmyk(94.1%, 70.6%, 0%, 80%)
CIE-LAB	lab(5.42, 9.65, -24.82)
CIE-LCH	lch(5.42, 26.63, 291.24°)
OKLab	oklab(18.58% -0.0078 -0.0735)
OKLCH	oklch(18.58% 0.074 263.9)
XYZ	xyz(0.8057, 0.5999, 3.2047)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.12

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030F33 #332703

analogous

#032733 #030F33 #0F0333

triadic

#030F33 #33030F #0F3303

tetradic

#030F33 #330327 #332703 #03330F

square

#030F33 #330327 #332703 #03330F

split-complementary

#030F33 #330F03 #273303

monochromatic

#02081D #02081D #030F33 #06206D #0A31A7

Accessibility & contrast

On white

18.75

#030F33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#030F33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030F33

18.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030F33	#FFFFFF	#000000	##FFFFFF
##030F33	1.00	18.75	1.12	18.75
#FFFFFF	18.75	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001434

Deuteranopia (green-blind)

#001032

Tritanopia (blue-blind)

#00181F

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #030f33;
/* rgb */ color: rgb(3, 15, 51);
/* oklch */ color: oklch(18.6% 0.074 263.9);

Tailwind

colors: {
  custom: {
    50: '#4b4d6b',
    500: '#030f33',
    950: '#000000',
  },
}

SCSS

$custom: #030f33;
$custom-light: #4b4d6b;
$custom-dark: #000000;

JSON

{
  "hex": "#030f33",
  "rgb": {
    "r": 3,
    "g": 15,
    "b": 51
  },
  "hsl": {
    "h": 225,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.18577,
    "c": 0.07392,
    "h": 263.9
  },
  "luminance": 0.006
}

Semantic roles & 50–950 ramp

primary

#030F33

secondary

#76601C

accent

#C929FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #030F33

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

Preview Lab → · Contrast checker → · Palette generator →