#15107F#15107F

#15107F is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.3% C 0.172 H 270.5°. Best body text is #FFFFFF at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#15107F
RGB	rgb(21, 16, 127)
HSL	hsl(243, 78%, 28%)
HSV	hsv(243, 87%, 50%)
CMYK	cmyk(83.5%, 87.4%, 0%, 50.2%)
CIE-LAB	lab(15.81, 41.39, -59.31)
CIE-LCH	lch(15.81, 72.32, 304.91°)
OKLab	oklab(29.25% 0.0014 -0.1716)
OKLCH	oklch(29.25% 0.172 270.5)
XYZ	xyz(4.3240, 2.0618, 20.2446)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15107F #7A7F10

analogous

#10427F #15107F #4C107F

triadic

#15107F #7F1510 #107F15

tetradic

#15107F #7F1042 #7A7F10 #107F4C

square

#15107F #7F1042 #7A7F10 #107F4C

split-complementary

#15107F #7F4C10 #427F10

monochromatic

#04031B #0C0949 #15107F #1E17B5 #2E26E4

Accessibility & contrast

On white

14.87

#15107F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#15107F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15107F

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15107F	#FFFFFF	#000000	##FFFFFF
##15107F	1.00	14.87	1.41	14.87
#FFFFFF	14.87	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D82

Deuteranopia (green-blind)

#00227D

Tritanopia (blue-blind)

#00354A

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #15107f;
/* rgb */ color: rgb(21, 16, 127);
/* oklch */ color: oklch(29.3% 0.172 270.5);

Tailwind

colors: {
  custom: {
    50: '#6a53a5',
    500: '#15107f',
    950: '#000000',
  },
}

SCSS

$custom: #15107f;
$custom-light: #6a53a5;
$custom-dark: #000000;

JSON

{
  "hex": "#15107f",
  "rgb": {
    "r": 21,
    "g": 16,
    "b": 127
  },
  "hsl": {
    "h": 242.703,
    "s": 77.622,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29252,
    "c": 0.17162,
    "h": 270.5
  },
  "luminance": 0.02062
}

Semantic roles & 50–950 ramp

primary

#15107F

secondary

#AFB536

accent

#F434EB

background

#F7F4FA

surface

#EDE7F4

border

#C8C3CE

text

#08020F

muted

#7B787F

Preview Lab

Preview with #15107F

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

Preview Lab → · Contrast checker → · Palette generator →