#030F2F#030F2F

#030F2F is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.1% C 0.067 H 263.1°. Best body text is #FFFFFF at 18.86:1 contrast (WCAG AA passes).

Color values

HEX	#030F2F
RGB	rgb(3, 15, 47)
HSL	hsl(224, 88%, 10%)
HSV	hsv(224, 94%, 18%)
CMYK	cmyk(93.6%, 68.1%, 0%, 81.6%)
CIE-LAB	lab(5.11, 7.50, -22.35)
CIE-LCH	lch(5.11, 23.57, 288.56°)
OKLab	oklab(18.15% -0.0081 -0.0667)
OKLCH	oklch(18.15% 0.067 263.1)
XYZ	xyz(0.7213, 0.5662, 2.7600)
Luminance	0.0057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.27

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030F2F #2F2303

analogous

#03252F #030F2F #0D032F

triadic

#030F2F #2F030F #0F2F03

tetradic

#030F2F #2F0325 #2F2303 #032F0D

square

#030F2F #2F0325 #2F2303 #032F0D

split-complementary

#030F2F #2F0D03 #252F03

monochromatic

#02091D #02091D #030F2F #072169 #0A34A2

Accessibility & contrast

On white

18.86

#030F2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#030F2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030F2F

18.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030F2F	#FFFFFF	#000000	##FFFFFF
##030F2F	1.00	18.86	1.11	18.86
#FFFFFF	18.86	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001330

Deuteranopia (green-blind)

#000F2E

Tritanopia (blue-blind)

#00171C

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #030f2f;
/* rgb */ color: rgb(3, 15, 47);
/* oklch */ color: oklch(18.1% 0.067 263.1);

Tailwind

colors: {
  custom: {
    50: '#4a4d68',
    500: '#030f2f',
    950: '#000000',
  },
}

SCSS

$custom: #030f2f;
$custom-light: #4a4d68;
$custom-dark: #000000;

JSON

{
  "hex": "#030f2f",
  "rgb": {
    "r": 3,
    "g": 15,
    "b": 47
  },
  "hsl": {
    "h": 223.636,
    "s": 88,
    "l": 9.804
  },
  "oklch": {
    "l": 0.18148,
    "c": 0.06722,
    "h": 263.1
  },
  "luminance": 0.00566
}

Semantic roles & 50–950 ramp

primary

#030F2F

secondary

#735B1B

accent

#C42AFE

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #030F2F

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

Preview Lab → · Contrast checker → · Palette generator →