#101183#101183

#101183 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.6% C 0.177 H 268.4°. Best body text is #FFFFFF at 14.69:1 contrast (WCAG AA passes).

Color values

HEX	#101183
RGB	rgb(16, 17, 131)
HSL	hsl(239, 78%, 29%)
HSV	hsv(239, 88%, 51%)
CMYK	cmyk(87.8%, 87%, 0%, 48.6%)
CIE-LAB	lab(16.25, 41.99, -61.12)
CIE-LCH	lch(16.25, 74.16, 304.49°)
OKLab	oklab(29.64% -0.0051 -0.1769)
OKLCH	oklch(29.64% 0.177 268.4)
XYZ	xyz(4.5095, 2.1492, 21.6455)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101183 #838210

analogous

#104B83 #101183 #491083

triadic

#101183 #831011 #118310

tetradic

#101183 #83104B #838210 #108349

square

#101183 #83104B #838210 #108349

split-complementary

#101183 #834910 #4B8310

monochromatic

#03041B #090A4C #101183 #1718BA #292AE5

Accessibility & contrast

On white

14.69

#101183 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#101183 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101183

14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101183	#FFFFFF	#000000	##FFFFFF
##101183	1.00	14.69	1.43	14.69
#FFFFFF	14.69	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E86

Deuteranopia (green-blind)

#002281

Tritanopia (blue-blind)

#00374C

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #101183;
/* rgb */ color: rgb(16, 17, 131);
/* oklch */ color: oklch(29.6% 0.177 268.4);

Tailwind

colors: {
  custom: {
    50: '#6a53a8',
    500: '#101183',
    950: '#000000',
  },
}

SCSS

$custom: #101183;
$custom-light: #6a53a8;
$custom-dark: #000000;

JSON

{
  "hex": "#101183",
  "rgb": {
    "r": 16,
    "g": 17,
    "b": 131
  },
  "hsl": {
    "h": 239.478,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.29641,
    "c": 0.17701,
    "h": 268.4
  },
  "luminance": 0.0215
}

Semantic roles & 50–950 ramp

primary

#101183

secondary

#B9B836

accent

#F333F5

background

#F7F4FA

surface

#EDE7F4

border

#C8C3CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #101183

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

Preview Lab → · Contrast checker → · Palette generator →