#10165B#10165B

#10165B is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.3% C 0.121 H 270.5°. Best body text is #FFFFFF at 16.31:1 contrast (WCAG AA passes).

Color values

HEX	#10165B
RGB	rgb(16, 22, 91)
HSL	hsl(235, 70%, 21%)
HSV	hsv(235, 82%, 36%)
CMYK	cmyk(82.4%, 75.8%, 0%, 64.3%)
CIE-LAB	lab(12.21, 24.83, -41.73)
CIE-LCH	lch(12.21, 48.56, 300.76°)
OKLab	oklab(25.35% 0.001 -0.1208)
OKLCH	oklch(25.35% 0.121 270.5)
XYZ	xyz(2.3883, 1.4390, 10.0474)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10165B #5B5510

analogous

#103B5B #10165B #2F105B

triadic

#10165B #5B1016 #165B10

tetradic

#10165B #5B103B #5B5510 #105B2F

square

#10165B #5B103B #5B5510 #105B2F

split-complementary

#10165B #5B2F10 #3B5B10

monochromatic

#05061A #070927 #10165B #19238F #222FC3

Accessibility & contrast

On white

16.31

#10165B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#10165B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10165B

16.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10165B	#FFFFFF	#000000	##FFFFFF
##10165B	1.00	16.31	1.29	16.31
#FFFFFF	16.31	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245D

Deuteranopia (green-blind)

#001C5A

Tritanopia (blue-blind)

#002936

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #10165b;
/* rgb */ color: rgb(16, 22, 91);
/* oklch */ color: oklch(25.3% 0.121 270.5);

Tailwind

colors: {
  custom: {
    50: '#5d538a',
    500: '#10165b',
    950: '#000000',
  },
}

SCSS

$custom: #10165b;
$custom-light: #5d538a;
$custom-dark: #000000;

JSON

{
  "hex": "#10165b",
  "rgb": {
    "r": 16,
    "g": 22,
    "b": 91
  },
  "hsl": {
    "h": 235.2,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.25347,
    "c": 0.12082,
    "h": 270.5
  },
  "luminance": 0.01439
}

Semantic roles & 50–950 ramp

primary

#10165B

secondary

#948C33

accent

#DF3BED

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #10165B

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

Preview Lab → · Contrast checker → · Palette generator →