#15437E#15437E

#15437E is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.7% C 0.111 H 256.5°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#15437E
RGB	rgb(21, 67, 126)
HSL	hsl(214, 71%, 29%)
HSV	hsv(214, 83%, 49%)
CMYK	cmyk(83.3%, 46.8%, 0%, 50.6%)
CIE-LAB	lab(28.59, 7.78, -37.77)
CIE-LCH	lch(28.59, 38.56, 281.64°)
OKLab	oklab(38.66% -0.026 -0.1084)
OKLCH	oklch(38.66% 0.111 256.5)
XYZ	xyz(6.0809, 5.6794, 20.5104)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15437E #7E5015

analogous

#15787E #15437E #1B157E

triadic

#15437E #7E1543 #437E15

tetradic

#15437E #7E1578 #7E5015 #157E1B

square

#15437E #7E1578 #7E5015 #157E1B

split-complementary

#15437E #7E1B15 #787E15

monochromatic

#040E1A #0C274A #15437E #1E5FB2 #317CDD

Accessibility & contrast

On white

9.83

#15437E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#15437E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15437E

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15437E	#FFFFFF	#000000	##FFFFFF
##15437E	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244880

Deuteranopia (green-blind)

#0B3F7D

Tritanopia (blue-blind)

#00515A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #15437e;
/* rgb */ color: rgb(21, 67, 126);
/* oklch */ color: oklch(38.7% 0.111 256.5);

Tailwind

colors: {
  custom: {
    50: '#6576a4',
    500: '#15437e',
    950: '#000000',
  },
}

SCSS

$custom: #15437e;
$custom-light: #6576a4;
$custom-dark: #000000;

JSON

{
  "hex": "#15437e",
  "rgb": {
    "r": 21,
    "g": 67,
    "b": 126
  },
  "hsl": {
    "h": 213.714,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.38655,
    "c": 0.11146,
    "h": 256.5
  },
  "luminance": 0.0568
}

Semantic roles & 50–950 ramp

primary

#15437E

secondary

#B37F3C

accent

#9F3AEE

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #15437E

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

Preview Lab → · Contrast checker → · Palette generator →