#030339#030339

#030339 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.7% C 0.101 H 268.3°. Best body text is #FFFFFF at 19.52:1 contrast (WCAG AA passes).

Color values

HEX	#030339
RGB	rgb(3, 3, 57)
HSL	hsl(240, 90%, 12%)
HSV	hsv(240, 95%, 22%)
CMYK	cmyk(94.7%, 94.7%, 0%, 77.6%)
CIE-LAB	lab(3.43, 18.33, -32.43)
CIE-LCH	lch(3.43, 37.25, 299.47°)
OKLab	oklab(16.66% -0.003 -0.1005)
OKLCH	oklch(16.66% 0.101 268.3)
XYZ	xyz(0.8084, 0.3798, 3.9008)
Luminance	0.0038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030339 #393903

analogous

#031E39 #030339 #1E0339

triadic

#030339 #390303 #033903

tetradic

#030339 #39031E #393903 #03391E

square

#030339 #39031E #393903 #03391E

split-complementary

#030339 #391E03 #1E3903

monochromatic

#02021D #02021D #030339 #060673 #0909AD

Accessibility & contrast

On white

19.52

#030339 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#030339 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030339

19.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030339	#FFFFFF	#000000	##FFFFFF
##030339	1.00	19.52	1.08	19.52
#FFFFFF	19.52	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F3A

Deuteranopia (green-blind)

#000938

Tritanopia (blue-blind)

#00141E

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #030339;
/* rgb */ color: rgb(3, 3, 57);
/* oklch */ color: oklch(16.7% 0.101 268.3);

Tailwind

colors: {
  custom: {
    50: '#4d4770',
    500: '#030339',
    950: '#000000',
  },
}

SCSS

$custom: #030339;
$custom-light: #4d4770;
$custom-dark: #000000;

JSON

{
  "hex": "#030339",
  "rgb": {
    "r": 3,
    "g": 3,
    "b": 57
  },
  "hsl": {
    "h": 240,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.16659,
    "c": 0.10056,
    "h": 268.3
  },
  "luminance": 0.0038
}

Semantic roles & 50–950 ramp

primary

#030339

secondary

#7C7C1C

accent

#FF29FF

background

#F4F3F6

surface

#E7E5EC

border

#C3C1C7

text

#020007

muted

#78777A

Preview Lab

Preview with #030339

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

Preview Lab → · Contrast checker → · Palette generator →