#15389E#15389E

#15389E is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.0% C 0.170 H 264.7°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#15389E
RGB	rgb(21, 56, 158)
HSL	hsl(225, 77%, 35%)
HSV	hsv(225, 87%, 62%)
CMYK	cmyk(86.7%, 64.6%, 0%, 38%)
CIE-LAB	lab(27.99, 28.51, -58.46)
CIE-LCH	lch(27.99, 65.04, 296.00°)
OKLab	oklab(39.01% -0.0157 -0.1694)
OKLCH	oklch(39.01% 0.17 264.7)
XYZ	xyz(7.8928, 5.4554, 32.9781)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15389E #9E7B15

analogous

#157C9E #15389E #37159E

triadic

#15389E #9E1538 #389E15

tetradic

#15389E #9E157C #9E7B15 #159E37

square

#15389E #9E157C #9E7B15 #159E37

split-complementary

#15389E #9E3715 #7C9E15

monochromatic

#071232 #0E2568 #15389E #1C4BD4 #4770E7

Accessibility & contrast

On white

10.04

#15389E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#15389E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15389E

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15389E	#FFFFFF	#000000	##FFFFFF
##15389E	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A1

Deuteranopia (green-blind)

#003C9C

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #15389e;
/* rgb */ color: rgb(21, 56, 158);
/* oklch */ color: oklch(39.0% 0.170 264.7);

Tailwind

colors: {
  custom: {
    50: '#6f6ebc',
    500: '#15389e',
    950: '#000000',
  },
}

SCSS

$custom: #15389e;
$custom-light: #6f6ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#15389e",
  "rgb": {
    "r": 21,
    "g": 56,
    "b": 158
  },
  "hsl": {
    "h": 224.672,
    "s": 76.536,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39007,
    "c": 0.17009,
    "h": 264.7
  },
  "luminance": 0.05456
}

Semantic roles & 50–950 ramp

primary

#15389E

secondary

#C7A747

accent

#C235F3

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #15389E

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

Preview Lab → · Contrast checker → · Palette generator →