#11304C#11304C

#11304C is a dark, moderate cyan. Relative luminance 0.028; OKLCH L 30.1% C 0.063 H 248.7°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#11304C
RGB	rgb(17, 48, 76)
HSL	hsl(208, 63%, 18%)
HSV	hsv(208, 78%, 30%)
CMYK	cmyk(77.6%, 36.8%, 0%, 70.2%)
CIE-LAB	lab(19.03, -0.50, -20.59)
CIE-LCH	lch(19.03, 20.60, 268.60°)
OKLab	oklab(30.13% -0.0228 -0.0584)
OKLCH	oklch(30.13% 0.063 248.7)
XYZ	xyz(2.5921, 2.7546, 7.2312)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11304C #4C2D11

analogous

#114C4A #11304C #11124C

triadic

#11304C #4C1130 #304C11

tetradic

#11304C #4A114C #4C2D11 #124C11

square

#11304C #4A114C #4C2D11 #124C11

split-complementary

#11304C #4C1112 #4C4A11

monochromatic

#061019 #06101A #11304C #1C507E #276FB0

Accessibility & contrast

On white

13.54

#11304C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#11304C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11304C

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11304C	#FFFFFF	#000000	##FFFFFF
##11304C	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23314D

Deuteranopia (green-blind)

#1B2C4B

Tritanopia (blue-blind)

#00373A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #11304c;
/* rgb */ color: rgb(17, 48, 76);
/* oklch */ color: oklch(30.1% 0.063 248.7);

Tailwind

colors: {
  custom: {
    50: '#58687e',
    500: '#11304c',
    950: '#000000',
  },
}

SCSS

$custom: #11304c;
$custom-light: #58687e;
$custom-dark: #000000;

JSON

{
  "hex": "#11304c",
  "rgb": {
    "r": 17,
    "g": 48,
    "b": 76
  },
  "hsl": {
    "h": 208.475,
    "s": 63.441,
    "l": 18.235
  },
  "oklch": {
    "l": 0.30134,
    "c": 0.06269,
    "h": 248.7
  },
  "luminance": 0.02755
}

Semantic roles & 50–950 ramp

primary

#11304C

secondary

#855A33

accent

#9041E6

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #11304C

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

Preview Lab → · Contrast checker → · Palette generator →