#15158F#15158F

#15158F is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.187 H 269.1°. Best body text is #FFFFFF at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#15158F
RGB	rgb(21, 21, 143)
HSL	hsl(240, 74%, 32%)
HSV	hsv(240, 85%, 56%)
CMYK	cmyk(85.3%, 85.3%, 0%, 43.9%)
CIE-LAB	lab(18.71, 44.19, -64.57)
CIE-LCH	lch(18.71, 78.24, 304.39°)
OKLab	oklab(31.85% -0.0031 -0.1869)
OKLCH	oklch(31.85% 0.187 269.1)
XYZ	xyz(5.5337, 2.6783, 26.2066)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15158F #8F8F15

analogous

#15528F #15158F #52158F

triadic

#15158F #8F1515 #158F15

tetradic

#15158F #8F1552 #8F8F15 #158F52

square

#15158F #8F1552 #8F8F15 #158F52

split-complementary

#15158F #8F5215 #528F15

monochromatic

#050524 #0D0D5A #15158F #1D1DC4 #3C3CE2

Accessibility & contrast

On white

13.67

#15158F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#15158F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15158F

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15158F	#FFFFFF	#000000	##FFFFFF
##15158F	1.00	13.67	1.54	13.67
#FFFFFF	13.67	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003492

Deuteranopia (green-blind)

#00278D

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #15158f;
/* rgb */ color: rgb(21, 21, 143);
/* oklch */ color: oklch(31.9% 0.187 269.1);

Tailwind

colors: {
  custom: {
    50: '#6e57b1',
    500: '#15158f',
    950: '#000000',
  },
}

SCSS

$custom: #15158f;
$custom-light: #6e57b1;
$custom-dark: #000000;

JSON

{
  "hex": "#15158f",
  "rgb": {
    "r": 21,
    "g": 21,
    "b": 143
  },
  "hsl": {
    "h": 240,
    "s": 74.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.31852,
    "c": 0.18696,
    "h": 269.1
  },
  "luminance": 0.02679
}

Semantic roles & 50–950 ramp

primary

#15158F

secondary

#C2C23E

accent

#F137F1

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #15158F

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

Preview Lab → · Contrast checker → · Palette generator →