#11303E#11303E

#11303E is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.3% C 0.044 H 230.4°. Best body text is #FFFFFF at 13.85:1 contrast (WCAG AA passes).

Color values

HEX	#11303E
RGB	rgb(17, 48, 62)
HSL	hsl(199, 57%, 15%)
HSV	hsv(199, 73%, 24%)
CMYK	cmyk(72.6%, 22.6%, 0%, 75.7%)
CIE-LAB	lab(18.28, -6.19, -12.23)
CIE-LCH	lch(18.28, 13.71, 243.16°)
OKLab	oklab(29.29% -0.0283 -0.0342)
OKLCH	oklch(29.29% 0.044 230.4)
XYZ	xyz(2.1573, 2.5807, 4.9409)
Luminance	0.0258 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11303E #3E1F11

analogous

#113E35 #11303E #11193E

triadic

#11303E #3E1130 #303E11

tetradic

#11303E #35113E #3E1F11 #193E11

square

#11303E #35113E #3E1F11 #193E11

split-complementary

#11303E #3E1119 #3E3511

monochromatic

#071318 #071318 #11303E #1E556E #2B7A9E

Accessibility & contrast

On white

13.85

#11303E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#11303E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11303E

13.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11303E	#FFFFFF	#000000	##FFFFFF
##11303E	1.00	13.85	1.52	13.85
#FFFFFF	13.85	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292F3F

Deuteranopia (green-blind)

#232B3E

Tritanopia (blue-blind)

#003435

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #11303e;
/* rgb */ color: rgb(17, 48, 62);
/* oklch */ color: oklch(29.3% 0.044 230.4);

Tailwind

colors: {
  custom: {
    50: '#556873',
    500: '#11303e',
    950: '#000000',
  },
}

SCSS

$custom: #11303e;
$custom-light: #556873;
$custom-dark: #000000;

JSON

{
  "hex": "#11303e",
  "rgb": {
    "r": 17,
    "g": 48,
    "b": 62
  },
  "hsl": {
    "h": 198.667,
    "s": 56.962,
    "l": 15.49
  },
  "oklch": {
    "l": 0.2929,
    "c": 0.04437,
    "h": 230.4
  },
  "luminance": 0.02581
}

Semantic roles & 50–950 ramp

primary

#11303E

secondary

#774933

accent

#7748E0

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #11303E

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

Preview Lab → · Contrast checker → · Palette generator →