#15375C#15375C

#15375C is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.2% C 0.077 H 252.8°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#15375C
RGB	rgb(21, 55, 92)
HSL	hsl(211, 63%, 22%)
HSV	hsv(211, 77%, 36%)
CMYK	cmyk(77.2%, 40.2%, 0%, 63.9%)
CIE-LAB	lab(22.53, 1.95, -25.69)
CIE-LCH	lch(22.53, 25.77, 274.33°)
OKLab	oklab(33.23% -0.0227 -0.0731)
OKLCH	oklch(33.23% 0.077 252.8)
XYZ	xyz(3.6065, 3.6641, 10.6403)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15375C #5C3A15

analogous

#155B5C #15375C #17155C

triadic

#15375C #5C1537 #375C15

tetradic

#15375C #5C155B #5C3A15 #155C17

square

#15375C #5C155B #5C3A15 #155C17

split-complementary

#15375C #5C1715 #5B5C15

monochromatic

#060F19 #0A192A #15375C #20558E #2C73C0

Accessibility & contrast

On white

12.12

#15375C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#15375C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15375C

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15375C	#FFFFFF	#000000	##FFFFFF
##15375C	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26395E

Deuteranopia (green-blind)

#1B335B

Tritanopia (blue-blind)

#004045

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #15375c;
/* rgb */ color: rgb(21, 55, 92);
/* oklch */ color: oklch(33.2% 0.077 252.8);

Tailwind

colors: {
  custom: {
    50: '#5d6d8a',
    500: '#15375c',
    950: '#000000',
  },
}

SCSS

$custom: #15375c;
$custom-light: #5d6d8a;
$custom-dark: #000000;

JSON

{
  "hex": "#15375c",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 92
  },
  "hsl": {
    "h": 211.268,
    "s": 62.832,
    "l": 22.157
  },
  "oklch": {
    "l": 0.33231,
    "c": 0.07658,
    "h": 252.8
  },
  "luminance": 0.03665
}

Semantic roles & 50–950 ramp

primary

#15375C

secondary

#936839

accent

#9742E6

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #15375C

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

Preview Lab → · Contrast checker → · Palette generator →