#030F39#030F39

#030F39 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.3% C 0.084 H 264.7°. Best body text is #FFFFFF at 18.56:1 contrast (WCAG AA passes).

Color values

HEX	#030F39
RGB	rgb(3, 15, 57)
HSL	hsl(227, 90%, 12%)
HSV	hsv(227, 95%, 22%)
CMYK	cmyk(94.7%, 73.7%, 0%, 77.6%)
CIE-LAB	lab(5.93, 13.06, -28.38)
CIE-LCH	lch(5.93, 31.24, 294.70°)
OKLab	oklab(19.25% -0.0077 -0.0833)
OKLCH	oklch(19.25% 0.084 264.7)
XYZ	xyz(0.9466, 0.6563, 3.9469)
Luminance	0.0066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 2.80

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030F39 #392D03

analogous

#032A39 #030F39 #120339

triadic

#030F39 #39030F #0F3903

tetradic

#030F39 #39032A #392D03 #033912

square

#030F39 #39032A #392D03 #033912

split-complementary

#030F39 #391203 #2A3903

monochromatic

#02081D #02081D #030F39 #061E73 #092EAD

Accessibility & contrast

On white

18.56

#030F39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#030F39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030F39

18.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030F39	#FFFFFF	#000000	##FFFFFF
##030F39	1.00	18.56	1.13	18.56
#FFFFFF	18.56	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00163A

Deuteranopia (green-blind)

#001138

Tritanopia (blue-blind)

#001A22

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #030f39;
/* rgb */ color: rgb(3, 15, 57);
/* oklch */ color: oklch(19.3% 0.084 264.7);

Tailwind

colors: {
  custom: {
    50: '#4e4d70',
    500: '#030f39',
    950: '#000000',
  },
}

SCSS

$custom: #030f39;
$custom-light: #4e4d70;
$custom-dark: #000000;

JSON

{
  "hex": "#030f39",
  "rgb": {
    "r": 3,
    "g": 15,
    "b": 57
  },
  "hsl": {
    "h": 226.667,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.19251,
    "c": 0.08363,
    "h": 264.7
  },
  "luminance": 0.00656
}

Semantic roles & 50–950 ramp

primary

#030F39

secondary

#7C661C

accent

#CF29FF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #030F39

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

Preview Lab → · Contrast checker → · Palette generator →