#15187D#15187D

#15187D is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.0% C 0.163 H 270.0°. Best body text is #FFFFFF at 14.40:1 contrast (WCAG AA passes).

Color values

HEX	#15187D
RGB	rgb(21, 24, 125)
HSL	hsl(238, 71%, 29%)
HSV	hsv(238, 83%, 49%)
CMYK	cmyk(83.2%, 80.8%, 0%, 51%)
CIE-LAB	lab(16.95, 36.61, -56.13)
CIE-LCH	lch(16.95, 67.02, 303.12°)
OKLab	oklab(29.98% 0 -0.1626)
OKLCH	oklch(29.98% 0.163 270)
XYZ	xyz(4.3363, 2.2929, 19.6121)
Luminance	0.0229 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15187D #7D7A15

analogous

#154C7D #15187D #46157D

triadic

#15187D #7D1518 #187D15

tetradic

#15187D #7D154C #7D7A15 #157D46

square

#15187D #7D154C #7D7A15 #157D46

split-complementary

#15187D #7D4615 #4C7D15

monochromatic

#04051A #0C0E49 #15187D #1E22B1 #3035DC

Accessibility & contrast

On white

14.40

#15187D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#15187D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15187D

14.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15187D	#FFFFFF	#000000	##FFFFFF
##15187D	1.00	14.40	1.46	14.40
#FFFFFF	14.40	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F80

Deuteranopia (green-blind)

#00247B

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #15187d;
/* rgb */ color: rgb(21, 24, 125);
/* oklch */ color: oklch(30.0% 0.163 270.0);

Tailwind

colors: {
  custom: {
    50: '#6857a4',
    500: '#15187d',
    950: '#000000',
  },
}

SCSS

$custom: #15187d;
$custom-light: #6857a4;
$custom-dark: #000000;

JSON

{
  "hex": "#15187d",
  "rgb": {
    "r": 21,
    "g": 24,
    "b": 125
  },
  "hsl": {
    "h": 238.269,
    "s": 71.233,
    "l": 28.627
  },
  "oklch": {
    "l": 0.29976,
    "c": 0.16257,
    "h": 270
  },
  "luminance": 0.02293
}

Semantic roles & 50–950 ramp

primary

#15187D

secondary

#B2AF3C

accent

#E93AEE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #15187D

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

Preview Lab → · Contrast checker → · Palette generator →