#10158D#10158D

#10158D is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.4% C 0.186 H 267.7°. Best body text is #FFFFFF at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#10158D
RGB	rgb(16, 21, 141)
HSL	hsl(238, 80%, 31%)
HSV	hsv(238, 89%, 55%)
CMYK	cmyk(88.7%, 85.1%, 0%, 44.7%)
CIE-LAB	lab(18.23, 43.34, -64.12)
CIE-LCH	lch(18.23, 77.40, 304.06°)
OKLab	oklab(31.39% -0.0075 -0.1857)
OKLCH	oklch(31.39% 0.186 267.7)
XYZ	xyz(5.2879, 2.5689, 25.4113)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10158D #8D8810

analogous

#10538D #10158D #49108D

triadic

#10158D #8D1015 #158D10

tetradic

#10158D #8D1053 #8D8810 #108D49

square

#10158D #8D1053 #8D8810 #108D49

split-complementary

#10158D #8D4910 #538D10

monochromatic

#04051F #0A0D56 #10158D #161DC4 #3037E7

Accessibility & contrast

On white

13.87

#10158D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#10158D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10158D

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10158D	#FFFFFF	#000000	##FFFFFF
##10158D	1.00	13.87	1.51	13.87
#FFFFFF	13.87	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003390

Deuteranopia (green-blind)

#00268B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #10158d;
/* rgb */ color: rgb(16, 21, 141);
/* oklch */ color: oklch(31.4% 0.186 267.7);

Tailwind

colors: {
  custom: {
    50: '#6c56b0',
    500: '#10158d',
    950: '#000000',
  },
}

SCSS

$custom: #10158d;
$custom-light: #6c56b0;
$custom-dark: #000000;

JSON

{
  "hex": "#10158d",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 141
  },
  "hsl": {
    "h": 237.6,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31386,
    "c": 0.18586,
    "h": 267.7
  },
  "luminance": 0.0257
}

Semantic roles & 50–950 ramp

primary

#10158D

secondary

#C2BC37

accent

#EE32F6

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#080311

muted

#7B7880

Preview Lab

Preview with #10158D

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

Preview Lab → · Contrast checker → · Palette generator →