#15375A#15375A

#15375A is a dark, moderate cyan. Relative luminance 0.036; OKLCH L 33.1% C 0.074 H 251.6°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#15375A
RGB	rgb(21, 55, 90)
HSL	hsl(210, 62%, 22%)
HSV	hsv(210, 77%, 35%)
CMYK	cmyk(76.7%, 38.9%, 0%, 64.7%)
CIE-LAB	lab(22.41, 1.12, -24.57)
CIE-LCH	lch(22.41, 24.60, 272.61°)
OKLab	oklab(33.1% -0.0233 -0.0699)
OKLCH	oklch(33.1% 0.074 251.6)
XYZ	xyz(3.5202, 3.6296, 10.1859)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15375A #5A3815

analogous

#155A5A #15375A #16155A

triadic

#15375A #5A1537 #375A15

tetradic

#15375A #5A155A #5A3815 #155A16

square

#15375A #5A155A #5A3815 #155A16

split-complementary

#15375A #5A1615 #5A5A15

monochromatic

#060F19 #091928 #15375A #21558C #2C74BD

Accessibility & contrast

On white

12.17

#15375A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#15375A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15375A

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15375A	#FFFFFF	#000000	##FFFFFF
##15375A	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27395B

Deuteranopia (green-blind)

#1D3359

Tritanopia (blue-blind)

#003F44

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #15375a;
/* rgb */ color: rgb(21, 55, 90);
/* oklch */ color: oklch(33.1% 0.074 251.6);

Tailwind

colors: {
  custom: {
    50: '#5c6d89',
    500: '#15375a',
    950: '#000000',
  },
}

SCSS

$custom: #15375a;
$custom-light: #5c6d89;
$custom-dark: #000000;

JSON

{
  "hex": "#15375a",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 90
  },
  "hsl": {
    "h": 210.435,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.33097,
    "c": 0.07363,
    "h": 251.6
  },
  "luminance": 0.0363
}

Semantic roles & 50–950 ramp

primary

#15375A

secondary

#926639

accent

#9543E5

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05070B

muted

#797A7C

Preview Lab

Preview with #15375A

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

Preview Lab → · Contrast checker → · Palette generator →