#15375E#15375E

#15375E is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.4% C 0.080 H 253.9°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#15375E
RGB	rgb(21, 55, 94)
HSL	hsl(212, 63%, 23%)
HSV	hsv(212, 78%, 37%)
CMYK	cmyk(77.7%, 41.5%, 0%, 63.1%)
CIE-LAB	lab(22.65, 2.78, -26.81)
CIE-LCH	lch(22.65, 26.95, 275.91°)
OKLab	oklab(33.37% -0.0221 -0.0764)
OKLCH	oklch(33.37% 0.08 253.9)
XYZ	xyz(3.6951, 3.6996, 11.1068)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15375E #5E3C15

analogous

#155B5E #15375E #18155E

triadic

#15375E #5E1537 #375E15

tetradic

#15375E #5E155B #5E3C15 #155E18

square

#15375E #5E155B #5E3C15 #155E18

split-complementary

#15375E #5E1815 #5B5E15

monochromatic

#060F19 #0A1A2C #15375E #205490 #2B72C2

Accessibility & contrast

On white

12.07

#15375E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#15375E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15375E

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15375E	#FFFFFF	#000000	##FFFFFF
##15375E	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253A60

Deuteranopia (green-blind)

#1A335D

Tritanopia (blue-blind)

#004046

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #15375e;
/* rgb */ color: rgb(21, 55, 94);
/* oklch */ color: oklch(33.4% 0.080 253.9);

Tailwind

colors: {
  custom: {
    50: '#5d6d8c',
    500: '#15375e',
    950: '#000000',
  },
}

SCSS

$custom: #15375e;
$custom-light: #5d6d8c;
$custom-dark: #000000;

JSON

{
  "hex": "#15375e",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 94
  },
  "hsl": {
    "h": 212.055,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.33368,
    "c": 0.07955,
    "h": 253.9
  },
  "luminance": 0.037
}

Semantic roles & 50–950 ramp

primary

#15375E

secondary

#956B39

accent

#9A41E7

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #15375E

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

Preview Lab → · Contrast checker → · Palette generator →