#11303D#11303D

#11303D is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.2% C 0.043 H 228.5°. Best body text is #FFFFFF at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#11303D
RGB	rgb(17, 48, 61)
HSL	hsl(198, 56%, 15%)
HSV	hsv(198, 72%, 24%)
CMYK	cmyk(72.1%, 21.3%, 0%, 76.1%)
CIE-LAB	lab(18.23, -6.58, -11.62)
CIE-LCH	lch(18.23, 13.35, 240.48°)
OKLab	oklab(29.24% -0.0287 -0.0325)
OKLCH	oklch(29.24% 0.043 228.5)
XYZ	xyz(2.1301, 2.5698, 4.7977)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11303D #3D1E11

analogous

#113D34 #11303D #111A3D

triadic

#11303D #3D1130 #303D11

tetradic

#11303D #34113D #3D1E11 #1A3D11

square

#11303D #34113D #3D1E11 #1A3D11

split-complementary

#11303D #3D111A #3D3411

monochromatic

#071318 #071318 #11303D #1E566D #2C7B9D

Accessibility & contrast

On white

13.87

#11303D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#11303D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11303D

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11303D	#FFFFFF	#000000	##FFFFFF
##11303D	1.00	13.87	1.51	13.87
#FFFFFF	13.87	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292F3E

Deuteranopia (green-blind)

#232B3D

Tritanopia (blue-blind)

#003434

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #11303d;
/* rgb */ color: rgb(17, 48, 61);
/* oklch */ color: oklch(29.2% 0.043 228.5);

Tailwind

colors: {
  custom: {
    50: '#556872',
    500: '#11303d',
    950: '#000000',
  },
}

SCSS

$custom: #11303d;
$custom-light: #556872;
$custom-dark: #000000;

JSON

{
  "hex": "#11303d",
  "rgb": {
    "r": 17,
    "g": 48,
    "b": 61
  },
  "hsl": {
    "h": 197.727,
    "s": 56.41,
    "l": 15.294
  },
  "oklch": {
    "l": 0.29235,
    "c": 0.04333,
    "h": 228.5
  },
  "luminance": 0.0257
}

Semantic roles & 50–950 ramp

primary

#11303D

secondary

#764733

accent

#7548E0

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #11303D

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

Preview Lab → · Contrast checker → · Palette generator →