#10115B#10115B

#10115B is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.5% C 0.127 H 271.6°. Best body text is #FFFFFF at 16.76:1 contrast (WCAG AA passes).

Color values

HEX	#10115B
RGB	rgb(16, 17, 91)
HSL	hsl(239, 70%, 21%)
HSV	hsv(239, 82%, 36%)
CMYK	cmyk(82.4%, 81.3%, 0%, 64.3%)
CIE-LAB	lab(11.04, 28.12, -43.68)
CIE-LCH	lch(11.04, 51.95, 302.78°)
OKLab	oklab(24.51% 0.0035 -0.1264)
OKLCH	oklch(24.51% 0.127 271.6)
XYZ	xyz(2.3018, 1.2661, 10.0186)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10115B #5B5A10

analogous

#10365B #10115B #34105B

triadic

#10115B #5B1011 #115B10

tetradic

#10115B #5B1036 #5B5A10 #105B34

square

#10115B #5B1036 #5B5A10 #105B34

split-complementary

#10115B #5B3410 #365B10

monochromatic

#05051A #070727 #10115B #191B8F #2224C3

Accessibility & contrast

On white

16.76

#10115B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#10115B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10115B

16.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10115B	#FFFFFF	#000000	##FFFFFF
##10115B	1.00	16.76	1.25	16.76
#FFFFFF	16.76	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215D

Deuteranopia (green-blind)

#001A5A

Tritanopia (blue-blind)

#002735

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #10115b;
/* rgb */ color: rgb(16, 17, 91);
/* oklch */ color: oklch(24.5% 0.127 271.6);

Tailwind

colors: {
  custom: {
    50: '#5e508a',
    500: '#10115b',
    950: '#000000',
  },
}

SCSS

$custom: #10115b;
$custom-light: #5e508a;
$custom-dark: #000000;

JSON

{
  "hex": "#10115b",
  "rgb": {
    "r": 16,
    "g": 17,
    "b": 91
  },
  "hsl": {
    "h": 239.2,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.24506,
    "c": 0.1265,
    "h": 271.6
  },
  "luminance": 0.01266
}

Semantic roles & 50–950 ramp

primary

#10115B

secondary

#949333

accent

#EB3BED

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #10115B

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

Preview Lab → · Contrast checker → · Palette generator →