#15445B#15445B

#15445B is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.6% C 0.064 H 233.8°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#15445B
RGB	rgb(21, 68, 91)
HSL	hsl(200, 63%, 22%)
HSV	hsv(200, 77%, 36%)
CMYK	cmyk(76.9%, 25.3%, 0%, 64.3%)
CIE-LAB	lab(26.87, -7.13, -18.22)
CIE-LCH	lch(26.87, 19.56, 248.62°)
OKLab	oklab(36.64% -0.0375 -0.0512)
OKLCH	oklch(36.64% 0.064 233.8)
XYZ	xyz(4.2640, 5.0485, 10.6452)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15445B #5B2C15

analogous

#155B4F #15445B #15215B

triadic

#15445B #5B1544 #445B15

tetradic

#15445B #4F155B #5B2C15 #215B15

square

#15445B #4F155B #5B2C15 #215B15

split-complementary

#15445B #5B1521 #5B4F15

monochromatic

#061319 #0A1F29 #15445B #20698D #2C8EBE

Accessibility & contrast

On white

10.45

#15445B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#15445B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15445B

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15445B	#FFFFFF	#000000	##FFFFFF
##15445B	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39435C

Deuteranopia (green-blind)

#2F3D5B

Tritanopia (blue-blind)

#004A4C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #15445b;
/* rgb */ color: rgb(21, 68, 91);
/* oklch */ color: oklch(36.6% 0.064 233.8);

Tailwind

colors: {
  custom: {
    50: '#5d7789',
    500: '#15445b',
    950: '#000000',
  },
}

SCSS

$custom: #15445b;
$custom-light: #5d7789;
$custom-dark: #000000;

JSON

{
  "hex": "#15445b",
  "rgb": {
    "r": 21,
    "g": 68,
    "b": 91
  },
  "hsl": {
    "h": 199.714,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.36643,
    "c": 0.06351,
    "h": 233.8
  },
  "luminance": 0.05049
}

Semantic roles & 50–950 ramp

primary

#15445B

secondary

#925739

accent

#7842E6

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #15445B

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

Preview Lab → · Contrast checker → · Palette generator →