#030A39#030A39

#030A39 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.2% C 0.091 H 266.7°. Best body text is #FFFFFF at 18.98:1 contrast (WCAG AA passes).

Color values

HEX	#030A39
RGB	rgb(3, 10, 57)
HSL	hsl(232, 90%, 12%)
HSV	hsv(232, 95%, 22%)
CMYK	cmyk(94.7%, 82.5%, 0%, 77.6%)
CIE-LAB	lab(4.80, 15.50, -30.21)
CIE-LCH	lch(4.80, 33.95, 297.16°)
OKLab	oklab(18.18% -0.0053 -0.0904)
OKLCH	oklch(18.18% 0.091 266.7)
XYZ	xyz(0.8844, 0.5317, 3.9261)
Luminance	0.0053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030A39 #393203

analogous

#032539 #030A39 #170339

triadic

#030A39 #39030A #0A3903

tetradic

#030A39 #390325 #393203 #033917

square

#030A39 #390325 #393203 #033917

split-complementary

#030A39 #391703 #253903

monochromatic

#02051D #02051D #030A39 #061473 #091EAD

Accessibility & contrast

On white

18.98

#030A39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#030A39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030A39

18.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030A39	#FFFFFF	#000000	##FFFFFF
##030A39	1.00	18.98	1.11	18.98
#FFFFFF	18.98	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00133A

Deuteranopia (green-blind)

#000E38

Tritanopia (blue-blind)

#001720

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #030a39;
/* rgb */ color: rgb(3, 10, 57);
/* oklch */ color: oklch(18.2% 0.091 266.7);

Tailwind

colors: {
  custom: {
    50: '#4e4a70',
    500: '#030a39',
    950: '#000000',
  },
}

SCSS

$custom: #030a39;
$custom-light: #4e4a70;
$custom-dark: #000000;

JSON

{
  "hex": "#030a39",
  "rgb": {
    "r": 3,
    "g": 10,
    "b": 57
  },
  "hsl": {
    "h": 232.222,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.18175,
    "c": 0.09051,
    "h": 266.7
  },
  "luminance": 0.00532
}

Semantic roles & 50–950 ramp

primary

#030A39

secondary

#7C6F1C

accent

#E329FF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #030A39

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

Preview Lab → · Contrast checker → · Palette generator →