#101866#101866

#101866 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.0% C 0.134 H 269.4°. Best body text is #FFFFFF at 15.62:1 contrast (WCAG AA passes).

Color values

HEX	#101866
RGB	rgb(16, 24, 102)
HSL	hsl(234, 73%, 23%)
HSV	hsv(234, 84%, 40%)
CMYK	cmyk(84.3%, 76.5%, 0%, 60%)
CIE-LAB	lab(13.96, 27.79, -46.18)
CIE-LCH	lch(13.96, 53.90, 301.03°)
OKLab	oklab(26.97% -0.0015 -0.1338)
OKLCH	oklch(26.97% 0.134 269.4)
XYZ	xyz(2.9378, 1.7224, 12.7454)
Luminance	0.0172 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101866 #665E10

analogous

#104366 #101866 #331066

triadic

#101866 #661018 #186610

tetradic

#101866 #661043 #665E10 #106633

square

#101866 #661043 #665E10 #106633

split-complementary

#101866 #663310 #436610

monochromatic

#04061A #080C31 #101866 #18249B #2131D0

Accessibility & contrast

On white

15.62

#101866 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#101866 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101866

15.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101866	#FFFFFF	#000000	##FFFFFF
##101866	1.00	15.62	1.34	15.62
#FFFFFF	15.62	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002868

Deuteranopia (green-blind)

#001F65

Tritanopia (blue-blind)

#002E3D

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #101866;
/* rgb */ color: rgb(16, 24, 102);
/* oklch */ color: oklch(27.0% 0.134 269.4);

Tailwind

colors: {
  custom: {
    50: '#605593',
    500: '#101866',
    950: '#000000',
  },
}

SCSS

$custom: #101866;
$custom-light: #605593;
$custom-dark: #000000;

JSON

{
  "hex": "#101866",
  "rgb": {
    "r": 16,
    "g": 24,
    "b": 102
  },
  "hsl": {
    "h": 234.419,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.26973,
    "c": 0.1338,
    "h": 269.4
  },
  "luminance": 0.01723
}

Semantic roles & 50–950 ramp

primary

#101866

secondary

#9E9433

accent

#DF38F0

background

#F6F5F9

surface

#EBE8F1

border

#C6C4CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #101866

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

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