#11303C#11303C

#11303C is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.2% C 0.042 H 226.5°. Best body text is #FFFFFF at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#11303C
RGB	rgb(17, 48, 60)
HSL	hsl(197, 56%, 15%)
HSV	hsv(197, 72%, 24%)
CMYK	cmyk(71.7%, 20%, 0%, 76.5%)
CIE-LAB	lab(18.18, -6.97, -11.01)
CIE-LCH	lch(18.18, 13.03, 237.67°)
OKLab	oklab(29.18% -0.0292 -0.0307)
OKLCH	oklch(29.18% 0.042 226.5)
XYZ	xyz(2.1034, 2.5591, 4.6572)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11303C #3C1D11

analogous

#113C32 #11303C #111B3C

triadic

#11303C #3C1130 #303C11

tetradic

#11303C #32113C #3C1D11 #1B3C11

square

#11303C #32113C #3C1D11 #1B3C11

split-complementary

#11303C #3C111B #3C3211

monochromatic

#071318 #071318 #11303C #1F566C #2C7C9B

Accessibility & contrast

On white

13.89

#11303C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#11303C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11303C

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11303C	#FFFFFF	#000000	##FFFFFF
##11303C	1.00	13.89	1.51	13.89
#FFFFFF	13.89	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2F3D

Deuteranopia (green-blind)

#232A3C

Tritanopia (blue-blind)

#003434

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #11303c;
/* rgb */ color: rgb(17, 48, 60);
/* oklch */ color: oklch(29.2% 0.042 226.5);

Tailwind

colors: {
  custom: {
    50: '#556871',
    500: '#11303c',
    950: '#000000',
  },
}

SCSS

$custom: #11303c;
$custom-light: #556871;
$custom-dark: #000000;

JSON

{
  "hex": "#11303c",
  "rgb": {
    "r": 17,
    "g": 48,
    "b": 60
  },
  "hsl": {
    "h": 196.744,
    "s": 55.844,
    "l": 15.098
  },
  "oklch": {
    "l": 0.29182,
    "c": 0.04236,
    "h": 226.5
  },
  "luminance": 0.02559
}

Semantic roles & 50–950 ramp

primary

#11303C

secondary

#754633

accent

#7349DF

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #11303C

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

Preview Lab → · Contrast checker → · Palette generator →