#101366#101366

#101366 is a dark, vivid blue. Relative luminance 0.015; OKLCH L 26.2% C 0.139 H 270.2°. Best body text is #FFFFFF at 16.07:1 contrast (WCAG AA passes).

Color values

HEX	#101366
RGB	rgb(16, 19, 102)
HSL	hsl(238, 73%, 23%)
HSV	hsv(238, 84%, 40%)
CMYK	cmyk(84.3%, 81.4%, 0%, 60%)
CIE-LAB	lab(12.83, 30.97, -48.05)
CIE-LCH	lch(12.83, 57.17, 302.80°)
OKLab	oklab(26.17% 0.0005 -0.1392)
OKLCH	oklch(26.17% 0.139 270.2)
XYZ	xyz(2.8440, 1.5349, 12.7142)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101366 #666310

analogous

#103E66 #101366 #381066

triadic

#101366 #661013 #136610

tetradic

#101366 #66103E #666310 #106638

square

#101366 #66103E #666310 #106638

split-complementary

#101366 #663810 #3E6610

monochromatic

#04051A #080931 #101366 #181D9B #2127D0

Accessibility & contrast

On white

16.07

#101366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#101366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101366

16.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101366	#FFFFFF	#000000	##FFFFFF
##101366	1.00	16.07	1.31	16.07
#FFFFFF	16.07	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002568

Deuteranopia (green-blind)

#001D65

Tritanopia (blue-blind)

#002C3C

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #101366;
/* rgb */ color: rgb(16, 19, 102);
/* oklch */ color: oklch(26.2% 0.139 270.2);

Tailwind

colors: {
  custom: {
    50: '#615293',
    500: '#101366',
    950: '#000000',
  },
}

SCSS

$custom: #101366;
$custom-light: #615293;
$custom-dark: #000000;

JSON

{
  "hex": "#101366",
  "rgb": {
    "r": 16,
    "g": 19,
    "b": 102
  },
  "hsl": {
    "h": 237.907,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.2617,
    "c": 0.13917,
    "h": 270.2
  },
  "luminance": 0.01535
}

Semantic roles & 50–950 ramp

primary

#101366

secondary

#9E9B33

accent

#E938F0

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #101366

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

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