#03303A#03303A

#03303A is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.6% C 0.049 H 217.0°. Best body text is #FFFFFF at 14.11:1 contrast (WCAG AA passes).

Color values

HEX	#03303A
RGB	rgb(3, 48, 58)
HSL	hsl(191, 90%, 12%)
HSV	hsv(191, 95%, 23%)
CMYK	cmyk(94.8%, 17.2%, 0%, 77.3%)
CIE-LAB	lab(17.64, -10.30, -10.50)
CIE-LCH	lch(17.64, 14.71, 225.55°)
OKLab	oklab(28.58% -0.039 -0.0294)
OKLCH	oklch(28.58% 0.049 217)
XYZ	xyz(1.8579, 2.4385, 4.3749)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03303A #3A0D03

analogous

#033A29 #03303A #03153A

triadic

#03303A #3A0330 #303A03

tetradic

#03303A #29033A #3A0D03 #153A03

square

#03303A #29033A #3A0D03 #153A03

split-complementary

#03303A #3A0315 #3A2903

monochromatic

#02181D #02181D #03303A #066074 #0990AE

Accessibility & contrast

On white

14.11

#03303A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#03303A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03303A

14.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03303A	#FFFFFF	#000000	##FFFFFF
##03303A	1.00	14.11	1.49	14.11
#FFFFFF	14.11	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292E3B

Deuteranopia (green-blind)

#22293A

Tritanopia (blue-blind)

#003333

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #03303a;
/* rgb */ color: rgb(3, 48, 58);
/* oklch */ color: oklch(28.6% 0.049 217.0);

Tailwind

colors: {
  custom: {
    50: '#4f6870',
    500: '#03303a',
    950: '#000000',
  },
}

SCSS

$custom: #03303a;
$custom-light: #4f6870;
$custom-dark: #000000;

JSON

{
  "hex": "#03303a",
  "rgb": {
    "r": 3,
    "g": 48,
    "b": 58
  },
  "hsl": {
    "h": 190.909,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.28584,
    "c": 0.04888,
    "h": 217
  },
  "luminance": 0.02439
}

Semantic roles & 50–950 ramp

primary

#03303A

secondary

#7D2E1C

accent

#5029FF

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020607

muted

#787A7A

Preview Lab

Preview with #03303A

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

Preview Lab → · Contrast checker → · Palette generator →