#15355C#15355C

#15355C is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.7% C 0.079 H 254.9°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#15355C
RGB	rgb(21, 53, 92)
HSL	hsl(213, 63%, 22%)
HSV	hsv(213, 77%, 36%)
CMYK	cmyk(77.2%, 42.4%, 0%, 63.9%)
CIE-LAB	lab(21.86, 3.35, -26.75)
CIE-LCH	lch(21.86, 26.96, 277.14°)
OKLab	oklab(32.71% -0.0205 -0.0763)
OKLCH	oklch(32.71% 0.079 254.9)
XYZ	xyz(3.5134, 3.4780, 10.6093)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15355C #5C3C15

analogous

#15595C #15355C #19155C

triadic

#15355C #5C1535 #355C15

tetradic

#15355C #5C1559 #5C3C15 #155C19

square

#15355C #5C1559 #5C3C15 #155C19

split-complementary

#15355C #5C1915 #595C15

monochromatic

#060E19 #0A182A #15355C #20528E #2C6EC0

Accessibility & contrast

On white

12.38

#15355C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#15355C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15355C

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15355C	#FFFFFF	#000000	##FFFFFF
##15355C	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23385E

Deuteranopia (green-blind)

#18315B

Tritanopia (blue-blind)

#003E44

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #15355c;
/* rgb */ color: rgb(21, 53, 92);
/* oklch */ color: oklch(32.7% 0.079 254.9);

Tailwind

colors: {
  custom: {
    50: '#5d6b8a',
    500: '#15355c',
    950: '#000000',
  },
}

SCSS

$custom: #15355c;
$custom-light: #5d6b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#15355c",
  "rgb": {
    "r": 21,
    "g": 53,
    "b": 92
  },
  "hsl": {
    "h": 212.958,
    "s": 62.832,
    "l": 22.157
  },
  "oklch": {
    "l": 0.32713,
    "c": 0.07898,
    "h": 254.9
  },
  "luminance": 0.03478
}

Semantic roles & 50–950 ramp

primary

#15355C

secondary

#936B39

accent

#9C42E6

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #15355C

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

Preview Lab → · Contrast checker → · Palette generator →