#15107E#15107E

#15107E is a dark, vivid blue. Relative luminance 0.020; OKLCH L 29.1% C 0.170 H 270.6°. Best body text is #FFFFFF at 14.92:1 contrast (WCAG AA passes).

Color values

HEX	#15107E
RGB	rgb(21, 16, 126)
HSL	hsl(243, 77%, 28%)
HSV	hsv(243, 87%, 49%)
CMYK	cmyk(83.3%, 87.3%, 0%, 50.6%)
CIE-LAB	lab(15.67, 41.07, -58.89)
CIE-LCH	lch(15.67, 71.80, 304.89°)
OKLab	oklab(29.12% 0.0017 -0.1704)
OKLCH	oklch(29.12% 0.17 270.6)
XYZ	xyz(4.2592, 2.0359, 19.9031)
Luminance	0.0204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15107E #797E10

analogous

#10427E #15107E #4C107E

triadic

#15107E #7E1510 #107E15

tetradic

#15107E #7E1042 #797E10 #107E4C

square

#15107E #7E1042 #797E10 #107E4C

split-complementary

#15107E #7E4C10 #427E10

monochromatic

#05031B #0C0948 #15107E #1E17B4 #2E25E3

Accessibility & contrast

On white

14.92

#15107E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#15107E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15107E

14.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15107E	#FFFFFF	#000000	##FFFFFF
##15107E	1.00	14.92	1.41	14.92
#FFFFFF	14.92	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C81

Deuteranopia (green-blind)

#00217C

Tritanopia (blue-blind)

#003549

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #15107e;
/* rgb */ color: rgb(21, 16, 126);
/* oklch */ color: oklch(29.1% 0.170 270.6);

Tailwind

colors: {
  custom: {
    50: '#6953a5',
    500: '#15107e',
    950: '#000000',
  },
}

SCSS

$custom: #15107e;
$custom-light: #6953a5;
$custom-dark: #000000;

JSON

{
  "hex": "#15107e",
  "rgb": {
    "r": 21,
    "g": 16,
    "b": 126
  },
  "hsl": {
    "h": 242.727,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29122,
    "c": 0.17043,
    "h": 270.6
  },
  "luminance": 0.02036
}

Semantic roles & 50–950 ramp

primary

#15107E

secondary

#AFB436

accent

#F434EB

background

#F6F4FA

surface

#ECE7F4

border

#C7C3CE

text

#08020F

muted

#7A787F

Preview Lab

Preview with #15107E

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

Preview Lab → · Contrast checker → · Palette generator →