#09303B#09303B

#09303B is a dark, muted cyan. Relative luminance 0.025; OKLCH L 28.8% C 0.046 H 220.9°. Best body text is #FFFFFF at 14.02:1 contrast (WCAG AA passes).

Color values

HEX	#09303B
RGB	rgb(9, 48, 59)
HSL	hsl(193, 74%, 13%)
HSV	hsv(193, 85%, 23%)
CMYK	cmyk(84.7%, 18.6%, 0%, 76.9%)
CIE-LAB	lab(17.86, -8.88, -10.84)
CIE-LCH	lch(17.86, 14.01, 230.68°)
OKLab	oklab(28.83% -0.035 -0.0303)
OKLCH	oklch(28.83% 0.046 220.9)
XYZ	xyz(1.9587, 2.4875, 4.5137)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09303B #3B1409

analogous

#093B2D #09303B #09173B

triadic

#09303B #3B0930 #303B09

tetradic

#09303B #2D093B #3B1409 #173B09

square

#09303B #2D093B #3B1409 #173B09

split-complementary

#09303B #3B0917 #3B2D09

monochromatic

#04161B #04161B #09303B #115B70 #1986A5

Accessibility & contrast

On white

14.02

#09303B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#09303B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09303B

14.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09303B	#FFFFFF	#000000	##FFFFFF
##09303B	1.00	14.02	1.50	14.02
#FFFFFF	14.02	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292F3C

Deuteranopia (green-blind)

#232A3B

Tritanopia (blue-blind)

#003434

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #09303b;
/* rgb */ color: rgb(9, 48, 59);
/* oklch */ color: oklch(28.8% 0.046 220.9);

Tailwind

colors: {
  custom: {
    50: '#516871',
    500: '#09303b',
    950: '#000000',
  },
}

SCSS

$custom: #09303b;
$custom-light: #516871;
$custom-dark: #000000;

JSON

{
  "hex": "#09303b",
  "rgb": {
    "r": 9,
    "g": 48,
    "b": 59
  },
  "hsl": {
    "h": 193.2,
    "s": 73.529,
    "l": 13.333
  },
  "oklch": {
    "l": 0.28831,
    "c": 0.04627,
    "h": 220.9
  },
  "luminance": 0.02488
}

Semantic roles & 50–950 ramp

primary

#09303B

secondary

#793927

accent

#6038F0

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020607

muted

#787A7A

Preview Lab

Preview with #09303B

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

Preview Lab → · Contrast checker → · Palette generator →