#030F3A#030F3A

#030F3A is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.4% C 0.085 H 264.8°. Best body text is #FFFFFF at 18.53:1 contrast (WCAG AA passes).

Color values

HEX	#030F3A
RGB	rgb(3, 15, 58)
HSL	hsl(227, 90%, 12%)
HSV	hsv(227, 95%, 23%)
CMYK	cmyk(94.8%, 74.1%, 0%, 77.3%)
CIE-LAB	lab(6.02, 13.61, -28.96)
CIE-LCH	lch(6.02, 32.00, 295.17°)
OKLab	oklab(19.37% -0.0077 -0.0849)
OKLCH	oklch(19.37% 0.085 264.8)
XYZ	xyz(0.9718, 0.6664, 4.0796)
Luminance	0.0067 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030F3A #3A2E03

analogous

#032B3A #030F3A #13033A

triadic

#030F3A #3A030F #0F3A03

tetradic

#030F3A #3A032B #3A2E03 #033A13

square

#030F3A #3A032B #3A2E03 #033A13

split-complementary

#030F3A #3A1303 #2B3A03

monochromatic

#02081D #02081D #030F3A #061E74 #092DAE

Accessibility & contrast

On white

18.53

#030F3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#030F3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030F3A

18.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030F3A	#FFFFFF	#000000	##FFFFFF
##030F3A	1.00	18.53	1.13	18.53
#FFFFFF	18.53	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00163B

Deuteranopia (green-blind)

#001139

Tritanopia (blue-blind)

#001A22

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #030f3a;
/* rgb */ color: rgb(3, 15, 58);
/* oklch */ color: oklch(19.4% 0.085 264.8);

Tailwind

colors: {
  custom: {
    50: '#4e4d71',
    500: '#030f3a',
    950: '#000000',
  },
}

SCSS

$custom: #030f3a;
$custom-light: #4e4d71;
$custom-dark: #000000;

JSON

{
  "hex": "#030f3a",
  "rgb": {
    "r": 3,
    "g": 15,
    "b": 58
  },
  "hsl": {
    "h": 226.909,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.19367,
    "c": 0.08521,
    "h": 264.8
  },
  "luminance": 0.00666
}

Semantic roles & 50–950 ramp

primary

#030F3A

secondary

#7D681C

accent

#D029FF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #030F3A

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

Preview Lab → · Contrast checker → · Palette generator →