#15187E#15187E

#15187E is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.1% C 0.164 H 269.9°. Best body text is #FFFFFF at 14.35:1 contrast (WCAG AA passes).

Color values

HEX	#15187E
RGB	rgb(21, 24, 126)
HSL	hsl(238, 71%, 29%)
HSV	hsv(238, 83%, 49%)
CMYK	cmyk(83.3%, 81%, 0%, 50.6%)
CIE-LAB	lab(17.08, 36.97, -56.57)
CIE-LCH	lch(17.08, 67.57, 303.16°)
OKLab	oklab(30.1% -0.0002 -0.1638)
OKLCH	oklch(30.1% 0.164 269.9)
XYZ	xyz(4.4005, 2.3185, 19.9502)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15187E #7E7B15

analogous

#154D7E #15187E #47157E

triadic

#15187E #7E1518 #187E15

tetradic

#15187E #7E154D #7E7B15 #157E47

square

#15187E #7E154D #7E7B15 #157E47

split-complementary

#15187E #7E4715 #4D7E15

monochromatic

#04051A #0C0E4A #15187E #1E22B2 #3136DD

Accessibility & contrast

On white

14.35

#15187E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#15187E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15187E

14.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15187E	#FFFFFF	#000000	##FFFFFF
##15187E	1.00	14.35	1.46	14.35
#FFFFFF	14.35	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F81

Deuteranopia (green-blind)

#00257C

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #15187e;
/* rgb */ color: rgb(21, 24, 126);
/* oklch */ color: oklch(30.1% 0.164 269.9);

Tailwind

colors: {
  custom: {
    50: '#6957a5',
    500: '#15187e',
    950: '#000000',
  },
}

SCSS

$custom: #15187e;
$custom-light: #6957a5;
$custom-dark: #000000;

JSON

{
  "hex": "#15187e",
  "rgb": {
    "r": 21,
    "g": 24,
    "b": 126
  },
  "hsl": {
    "h": 238.286,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.30098,
    "c": 0.16383,
    "h": 269.9
  },
  "luminance": 0.02319
}

Semantic roles & 50–950 ramp

primary

#15187E

secondary

#B3B03C

accent

#E93AEE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #15187E

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

Preview Lab → · Contrast checker → · Palette generator →