#15455C#15455C

#15455C is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.0% C 0.064 H 233.3°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#15455C
RGB	rgb(21, 69, 92)
HSL	hsl(199, 63%, 22%)
HSV	hsv(199, 77%, 36%)
CMYK	cmyk(77.2%, 25%, 0%, 63.9%)
CIE-LAB	lab(27.26, -7.38, -18.26)
CIE-LCH	lch(27.26, 19.69, 247.99°)
OKLab	oklab(36.97% -0.0383 -0.0513)
OKLCH	oklch(36.97% 0.064 233.3)
XYZ	xyz(4.3684, 5.1879, 10.8943)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15455C #5C2C15

analogous

#155C50 #15455C #15215C

triadic

#15455C #5C1545 #455C15

tetradic

#15455C #50155C #5C2C15 #215C15

square

#15455C #50155C #5C2C15 #215C15

split-complementary

#15455C #5C1521 #5C5015

monochromatic

#061319 #0A202A #15455C #206A8E #2C90C0

Accessibility & contrast

On white

10.31

#15455C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#15455C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15455C

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15455C	#FFFFFF	#000000	##FFFFFF
##15455C	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A445D

Deuteranopia (green-blind)

#303D5C

Tritanopia (blue-blind)

#004B4D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #15455c;
/* rgb */ color: rgb(21, 69, 92);
/* oklch */ color: oklch(37.0% 0.064 233.3);

Tailwind

colors: {
  custom: {
    50: '#5d788a',
    500: '#15455c',
    950: '#000000',
  },
}

SCSS

$custom: #15455c;
$custom-light: #5d788a;
$custom-dark: #000000;

JSON

{
  "hex": "#15455c",
  "rgb": {
    "r": 21,
    "g": 69,
    "b": 92
  },
  "hsl": {
    "h": 199.437,
    "s": 62.832,
    "l": 22.157
  },
  "oklch": {
    "l": 0.3697,
    "c": 0.06403,
    "h": 233.3
  },
  "luminance": 0.05188
}

Semantic roles & 50–950 ramp

primary

#15455C

secondary

#935739

accent

#7742E6

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #15455C

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

Preview Lab → · Contrast checker → · Palette generator →