#030939#030939

#030939 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.0% C 0.092 H 266.9°. Best body text is #FFFFFF at 19.06:1 contrast (WCAG AA passes).

Color values

HEX	#030939
RGB	rgb(3, 9, 57)
HSL	hsl(233, 90%, 12%)
HSV	hsv(233, 95%, 22%)
CMYK	cmyk(94.7%, 84.2%, 0%, 77.6%)
CIE-LAB	lab(4.61, 15.91, -30.52)
CIE-LCH	lch(4.61, 34.42, 297.53°)
OKLab	oklab(17.97% -0.0049 -0.0917)
OKLCH	oklch(17.97% 0.092 266.9)
XYZ	xyz(0.8735, 0.5100, 3.9225)
Luminance	0.0051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Dark Navy

#000435

ΔE00 1.10

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030939 #393303

analogous

#032439 #030939 #180339

triadic

#030939 #390309 #093903

tetradic

#030939 #390324 #393303 #033918

square

#030939 #390324 #393303 #033918

split-complementary

#030939 #391803 #243903

monochromatic

#02051D #02051D #030939 #061273 #091BAD

Accessibility & contrast

On white

19.06

#030939 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#030939 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030939

19.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030939	#FFFFFF	#000000	##FFFFFF
##030939	1.00	19.06	1.10	19.06
#FFFFFF	19.06	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00133A

Deuteranopia (green-blind)

#000D38

Tritanopia (blue-blind)

#001720

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #030939;
/* rgb */ color: rgb(3, 9, 57);
/* oklch */ color: oklch(18.0% 0.092 266.9);

Tailwind

colors: {
  custom: {
    50: '#4e4a70',
    500: '#030939',
    950: '#000000',
  },
}

SCSS

$custom: #030939;
$custom-light: #4e4a70;
$custom-dark: #000000;

JSON

{
  "hex": "#030939",
  "rgb": {
    "r": 3,
    "g": 9,
    "b": 57
  },
  "hsl": {
    "h": 233.333,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.17974,
    "c": 0.09183,
    "h": 266.9
  },
  "luminance": 0.0051
}

Semantic roles & 50–950 ramp

primary

#030939

secondary

#7C711C

accent

#E729FF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #030939

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

Preview Lab → · Contrast checker → · Palette generator →