#15187C#15187C

#15187C is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.9% C 0.161 H 270.1°. Best body text is #FFFFFF at 14.45:1 contrast (WCAG AA passes).

Color values

HEX	#15187C
RGB	rgb(21, 24, 124)
HSL	hsl(238, 71%, 28%)
HSV	hsv(238, 83%, 49%)
CMYK	cmyk(83.1%, 80.6%, 0%, 51.4%)
CIE-LAB	lab(16.83, 36.27, -55.70)
CIE-LCH	lch(16.83, 66.46, 303.07°)
OKLab	oklab(29.85% 0.0002 -0.1613)
OKLCH	oklch(29.85% 0.161 270.1)
XYZ	xyz(4.2727, 2.2674, 19.2773)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15187C #7C7915

analogous

#154B7C #15187C #45157C

triadic

#15187C #7C1518 #187C15

tetradic

#15187C #7C154B #7C7915 #157C45

square

#15187C #7C154B #7C7915 #157C45

split-complementary

#15187C #7C4515 #4B7C15

monochromatic

#04051A #0C0E48 #15187C #1E22B0 #3035DC

Accessibility & contrast

On white

14.45

#15187C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#15187C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15187C

14.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15187C	#FFFFFF	#000000	##FFFFFF
##15187C	1.00	14.45	1.45	14.45
#FFFFFF	14.45	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7F

Deuteranopia (green-blind)

#00247A

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #15187c;
/* rgb */ color: rgb(21, 24, 124);
/* oklch */ color: oklch(29.9% 0.161 270.1);

Tailwind

colors: {
  custom: {
    50: '#6857a3',
    500: '#15187c',
    950: '#000000',
  },
}

SCSS

$custom: #15187c;
$custom-light: #6857a3;
$custom-dark: #000000;

JSON

{
  "hex": "#15187c",
  "rgb": {
    "r": 21,
    "g": 24,
    "b": 124
  },
  "hsl": {
    "h": 238.252,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.29854,
    "c": 0.16131,
    "h": 270.1
  },
  "luminance": 0.02268
}

Semantic roles & 50–950 ramp

primary

#15187C

secondary

#B1AE3C

accent

#E93AEE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #15187C

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

Preview Lab → · Contrast checker → · Palette generator →