#15155B#15155B

#15155B is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.5% C 0.121 H 273.8°. Best body text is #FFFFFF at 16.28:1 contrast (WCAG AA passes).

Color values

HEX	#15155B
RGB	rgb(21, 21, 91)
HSL	hsl(240, 63%, 22%)
HSV	hsv(240, 77%, 36%)
CMYK	cmyk(76.9%, 76.9%, 0%, 64.3%)
CIE-LAB	lab(12.29, 26.05, -41.59)
CIE-LCH	lch(12.29, 49.08, 302.06°)
OKLab	oklab(25.49% 0.0079 -0.1203)
OKLCH	oklch(25.49% 0.121 273.8)
XYZ	xyz(2.4651, 1.4508, 10.0456)
Luminance	0.0145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15155B #5B5B15

analogous

#15385B #15155B #38155B

triadic

#15155B #5B1515 #155B15

tetradic

#15155B #5B1538 #5B5B15 #155B38

square

#15155B #5B1538 #5B5B15 #155B38

split-complementary

#15155B #5B3815 #385B15

monochromatic

#060619 #0A0A29 #15155B #20208D #2C2CBE

Accessibility & contrast

On white

16.28

#15155B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#15155B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15155B

16.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15155B	#FFFFFF	#000000	##FFFFFF
##15155B	1.00	16.28	1.29	16.28
#FFFFFF	16.28	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235D

Deuteranopia (green-blind)

#001D5A

Tritanopia (blue-blind)

#002936

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #15155b;
/* rgb */ color: rgb(21, 21, 91);
/* oklch */ color: oklch(25.5% 0.121 273.8);

Tailwind

colors: {
  custom: {
    50: '#5f538a',
    500: '#15155b',
    950: '#000000',
  },
}

SCSS

$custom: #15155b;
$custom-light: #5f538a;
$custom-dark: #000000;

JSON

{
  "hex": "#15155b",
  "rgb": {
    "r": 21,
    "g": 21,
    "b": 91
  },
  "hsl": {
    "h": 240,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.25488,
    "c": 0.12055,
    "h": 273.8
  },
  "luminance": 0.01451
}

Semantic roles & 50–950 ramp

primary

#15155B

secondary

#929239

accent

#E642E6

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #15155B

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

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