#10148D#10148D

#10148D is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.3% C 0.187 H 267.7°. Best body text is #FFFFFF at 13.94:1 contrast (WCAG AA passes).

Color values

HEX	#10148D
RGB	rgb(16, 20, 141)
HSL	hsl(238, 80%, 31%)
HSV	hsv(238, 89%, 55%)
CMYK	cmyk(88.7%, 85.8%, 0%, 44.7%)
CIE-LAB	lab(18.07, 43.82, -64.39)
CIE-LCH	lch(18.07, 77.89, 304.24°)
OKLab	oklab(31.28% -0.0074 -0.1864)
OKLCH	oklch(31.28% 0.187 267.7)
XYZ	xyz(5.2699, 2.5329, 25.4053)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10148D #8D8910

analogous

#10528D #10148D #4A108D

triadic

#10148D #8D1014 #148D10

tetradic

#10148D #8D1052 #8D8910 #108D4A

square

#10148D #8D1052 #8D8910 #108D4A

split-complementary

#10148D #8D4A10 #528D10

monochromatic

#04041F #0A0C56 #10148D #161CC4 #3036E7

Accessibility & contrast

On white

13.94

#10148D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#10148D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10148D

13.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10148D	#FFFFFF	#000000	##FFFFFF
##10148D	1.00	13.94	1.51	13.94
#FFFFFF	13.94	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003390

Deuteranopia (green-blind)

#00258B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #10148d;
/* rgb */ color: rgb(16, 20, 141);
/* oklch */ color: oklch(31.3% 0.187 267.7);

Tailwind

colors: {
  custom: {
    50: '#6c56b0',
    500: '#10148d',
    950: '#000000',
  },
}

SCSS

$custom: #10148d;
$custom-light: #6c56b0;
$custom-dark: #000000;

JSON

{
  "hex": "#10148d",
  "rgb": {
    "r": 16,
    "g": 20,
    "b": 141
  },
  "hsl": {
    "h": 238.08,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31275,
    "c": 0.1866,
    "h": 267.7
  },
  "luminance": 0.02534
}

Semantic roles & 50–950 ramp

primary

#10148D

secondary

#C2BD37

accent

#F032F6

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#080311

muted

#7B7880

Preview Lab

Preview with #10148D

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

Preview Lab → · Contrast checker → · Palette generator →