#030F2E#030F2E

#030F2E is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.0% C 0.066 H 262.8°. Best body text is #FFFFFF at 18.89:1 contrast (WCAG AA passes).

Color values

HEX	#030F2E
RGB	rgb(3, 15, 46)
HSL	hsl(223, 88%, 10%)
HSV	hsv(223, 93%, 18%)
CMYK	cmyk(93.5%, 67.4%, 0%, 82%)
CIE-LAB	lab(5.04, 6.99, -21.72)
CIE-LCH	lch(5.04, 22.82, 287.85°)
OKLab	oklab(18.04% -0.0082 -0.065)
OKLCH	oklch(18.04% 0.066 262.8)
XYZ	xyz(0.7013, 0.5582, 2.6550)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.58

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030F2E #2E2203

analogous

#03252E #030F2E #0D032E

triadic

#030F2E #2E030F #0F2E03

tetradic

#030F2E #2E0325 #2E2203 #032E0D

square

#030F2E #2E0325 #2E2203 #032E0D

split-complementary

#030F2E #2E0D03 #252E03

monochromatic

#02091D #02091D #030F2E #072267 #0A34A1

Accessibility & contrast

On white

18.89

#030F2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#030F2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030F2E

18.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030F2E	#FFFFFF	#000000	##FFFFFF
##030F2E	1.00	18.89	1.11	18.89
#FFFFFF	18.89	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00132F

Deuteranopia (green-blind)

#000F2D

Tritanopia (blue-blind)

#00171C

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #030f2e;
/* rgb */ color: rgb(3, 15, 46);
/* oklch */ color: oklch(18.0% 0.066 262.8);

Tailwind

colors: {
  custom: {
    50: '#4a4d67',
    500: '#030f2e',
    950: '#000000',
  },
}

SCSS

$custom: #030f2e;
$custom-light: #4a4d67;
$custom-dark: #000000;

JSON

{
  "hex": "#030f2e",
  "rgb": {
    "r": 3,
    "g": 15,
    "b": 46
  },
  "hsl": {
    "h": 223.256,
    "s": 87.755,
    "l": 9.608
  },
  "oklch": {
    "l": 0.18044,
    "c": 0.06553,
    "h": 262.8
  },
  "luminance": 0.00558
}

Semantic roles & 50–950 ramp

primary

#030F2E

secondary

#725A1B

accent

#C32AFE

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #030F2E

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

Preview Lab → · Contrast checker → · Palette generator →