#15355D#15355D

#15355D is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.8% C 0.080 H 255.4°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#15355D
RGB	rgb(21, 53, 93)
HSL	hsl(213, 63%, 22%)
HSV	hsv(213, 77%, 36%)
CMYK	cmyk(77.4%, 43%, 0%, 63.5%)
CIE-LAB	lab(21.93, 3.77, -27.30)
CIE-LCH	lch(21.93, 27.56, 277.85°)
OKLab	oklab(32.78% -0.0203 -0.0779)
OKLCH	oklch(32.78% 0.08 255.4)
XYZ	xyz(3.5574, 3.4956, 10.8410)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15355D #5D3D15

analogous

#15595D #15355D #19155D

triadic

#15355D #5D1535 #355D15

tetradic

#15355D #5D1559 #5D3D15 #155D19

square

#15355D #5D1559 #5D3D15 #155D19

split-complementary

#15355D #5D1915 #595D15

monochromatic

#060E19 #0A192B #15355D #20518F #2C6EC1

Accessibility & contrast

On white

12.36

#15355D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#15355D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15355D

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15355D	#FFFFFF	#000000	##FFFFFF
##15355D	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22385F

Deuteranopia (green-blind)

#17315C

Tritanopia (blue-blind)

#003E44

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #15355d;
/* rgb */ color: rgb(21, 53, 93);
/* oklch */ color: oklch(32.8% 0.080 255.4);

Tailwind

colors: {
  custom: {
    50: '#5d6b8b',
    500: '#15355d',
    950: '#000000',
  },
}

SCSS

$custom: #15355d;
$custom-light: #5d6b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#15355d",
  "rgb": {
    "r": 21,
    "g": 53,
    "b": 93
  },
  "hsl": {
    "h": 213.333,
    "s": 63.158,
    "l": 22.353
  },
  "oklch": {
    "l": 0.32784,
    "c": 0.08049,
    "h": 255.4
  },
  "luminance": 0.03496
}

Semantic roles & 50–950 ramp

primary

#15355D

secondary

#946C39

accent

#9D42E6

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #15355D

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

Preview Lab → · Contrast checker → · Palette generator →