#15375D#15375D

#15375D is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.3% C 0.078 H 253.3°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#15375D
RGB	rgb(21, 55, 93)
HSL	hsl(212, 63%, 22%)
HSV	hsv(212, 77%, 36%)
CMYK	cmyk(77.4%, 40.9%, 0%, 63.5%)
CIE-LAB	lab(22.59, 2.36, -26.25)
CIE-LCH	lch(22.59, 26.36, 275.14°)
OKLab	oklab(33.3% -0.0224 -0.0748)
OKLCH	oklch(33.3% 0.078 253.3)
XYZ	xyz(3.6505, 3.6817, 10.8721)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15375D #5D3B15

analogous

#155B5D #15375D #17155D

triadic

#15375D #5D1537 #375D15

tetradic

#15375D #5D155B #5D3B15 #155D17

square

#15375D #5D155B #5D3B15 #155D17

split-complementary

#15375D #5D1715 #5B5D15

monochromatic

#060F19 #0A192B #15375D #20558F #2C72C1

Accessibility & contrast

On white

12.09

#15375D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#15375D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15375D

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15375D	#FFFFFF	#000000	##FFFFFF
##15375D	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253A5F

Deuteranopia (green-blind)

#1B335C

Tritanopia (blue-blind)

#004045

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #15375d;
/* rgb */ color: rgb(21, 55, 93);
/* oklch */ color: oklch(33.3% 0.078 253.3);

Tailwind

colors: {
  custom: {
    50: '#5d6d8b',
    500: '#15375d',
    950: '#000000',
  },
}

SCSS

$custom: #15375d;
$custom-light: #5d6d8b;
$custom-dark: #000000;

JSON

{
  "hex": "#15375d",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 93
  },
  "hsl": {
    "h": 211.667,
    "s": 63.158,
    "l": 22.353
  },
  "oklch": {
    "l": 0.333,
    "c": 0.07806,
    "h": 253.3
  },
  "luminance": 0.03682
}

Semantic roles & 50–950 ramp

primary

#15375D

secondary

#946939

accent

#9842E6

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #15375D

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

Preview Lab → · Contrast checker → · Palette generator →