#15187F#15187F

#15187F is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.2% C 0.165 H 269.9°. Best body text is #FFFFFF at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#15187F
RGB	rgb(21, 24, 127)
HSL	hsl(238, 72%, 29%)
HSV	hsv(238, 83%, 50%)
CMYK	cmyk(83.5%, 81.1%, 0%, 50.2%)
CIE-LAB	lab(17.20, 37.31, -57.00)
CIE-LCH	lch(17.20, 68.12, 303.21°)
OKLab	oklab(30.22% -0.0004 -0.1651)
OKLCH	oklch(30.22% 0.165 269.9)
XYZ	xyz(4.4654, 2.3445, 20.2917)
Luminance	0.0234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15187F #7F7C15

analogous

#154D7F #15187F #47157F

triadic

#15187F #7F1518 #187F15

tetradic

#15187F #7F154D #7F7C15 #157F47

square

#15187F #7F154D #7F7C15 #157F47

split-complementary

#15187F #7F4715 #4D7F15

monochromatic

#04051A #0C0E4A #15187F #1E22B4 #3136DD

Accessibility & contrast

On white

14.30

#15187F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#15187F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15187F

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15187F	#FFFFFF	#000000	##FFFFFF
##15187F	1.00	14.30	1.47	14.30
#FFFFFF	14.30	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003082

Deuteranopia (green-blind)

#00257D

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #15187f;
/* rgb */ color: rgb(21, 24, 127);
/* oklch */ color: oklch(30.2% 0.165 269.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#15187f",
  "rgb": {
    "r": 21,
    "g": 24,
    "b": 127
  },
  "hsl": {
    "h": 238.302,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.3022,
    "c": 0.16508,
    "h": 269.9
  },
  "luminance": 0.02345
}

Semantic roles & 50–950 ramp

primary

#15187F

secondary

#B4B13C

accent

#E939EE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #15187F

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

Preview Lab → · Contrast checker → · Palette generator →