#030C39#030C39

#030C39 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.6% C 0.088 H 266.0°. Best body text is #FFFFFF at 18.82:1 contrast (WCAG AA passes).

Color values

HEX	#030C39
RGB	rgb(3, 12, 57)
HSL	hsl(230, 90%, 12%)
HSV	hsv(230, 95%, 22%)
CMYK	cmyk(94.7%, 78.9%, 0%, 77.6%)
CIE-LAB	lab(5.22, 14.61, -29.54)
CIE-LCH	lch(5.22, 32.95, 296.32°)
OKLab	oklab(18.59% -0.0061 -0.0876)
OKLCH	oklch(18.59% 0.088 266)
XYZ	xyz(0.9073, 0.5776, 3.9338)
Luminance	0.0058 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030C39 #393003

analogous

#032739 #030C39 #150339

triadic

#030C39 #39030C #0C3903

tetradic

#030C39 #390327 #393003 #033915

square

#030C39 #390327 #393003 #033915

split-complementary

#030C39 #391503 #273903

monochromatic

#02061D #02061D #030C39 #061873 #0924AD

Accessibility & contrast

On white

18.82

#030C39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#030C39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030C39

18.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030C39	#FFFFFF	#000000	##FFFFFF
##030C39	1.00	18.82	1.12	18.82
#FFFFFF	18.82	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143A

Deuteranopia (green-blind)

#000F38

Tritanopia (blue-blind)

#001821

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #030c39;
/* rgb */ color: rgb(3, 12, 57);
/* oklch */ color: oklch(18.6% 0.088 266.0);

Tailwind

colors: {
  custom: {
    50: '#4e4b70',
    500: '#030c39',
    950: '#000000',
  },
}

SCSS

$custom: #030c39;
$custom-light: #4e4b70;
$custom-dark: #000000;

JSON

{
  "hex": "#030c39",
  "rgb": {
    "r": 3,
    "g": 12,
    "b": 57
  },
  "hsl": {
    "h": 230,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.18586,
    "c": 0.08786,
    "h": 266
  },
  "luminance": 0.00578
}

Semantic roles & 50–950 ramp

primary

#030C39

secondary

#7C6C1C

accent

#DB29FF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #030C39

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

Preview Lab → · Contrast checker → · Palette generator →