#101359#101359

#101359 is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.6% C 0.122 H 271.4°. Best body text is #FFFFFF at 16.67:1 contrast (WCAG AA passes).

Color values

HEX	#101359
RGB	rgb(16, 19, 89)
HSL	hsl(238, 70%, 21%)
HSV	hsv(238, 82%, 35%)
CMYK	cmyk(82%, 78.7%, 0%, 65.1%)
CIE-LAB	lab(11.25, 26.07, -41.97)
CIE-LCH	lch(11.25, 49.41, 301.85°)
OKLab	oklab(24.59% 0.0029 -0.1215)
OKLCH	oklch(24.59% 0.122 271.4)
XYZ	xyz(2.2491, 1.2969, 9.5811)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101359 #595610

analogous

#103759 #101359 #311059

triadic

#101359 #591013 #135910

tetradic

#101359 #591037 #595610 #105931

square

#101359 #591037 #595610 #105931

split-complementary

#101359 #593110 #375910

monochromatic

#05061A #070825 #101359 #191E8D #2329C1

Accessibility & contrast

On white

16.67

#101359 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#101359 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101359

16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101359	#FFFFFF	#000000	##FFFFFF
##101359	1.00	16.67	1.26	16.67
#FFFFFF	16.67	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225B

Deuteranopia (green-blind)

#001A58

Tritanopia (blue-blind)

#002734

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #101359;
/* rgb */ color: rgb(16, 19, 89);
/* oklch */ color: oklch(24.6% 0.122 271.4);

Tailwind

colors: {
  custom: {
    50: '#5d5189',
    500: '#101359',
    950: '#000000',
  },
}

SCSS

$custom: #101359;
$custom-light: #5d5189;
$custom-dark: #000000;

JSON

{
  "hex": "#101359",
  "rgb": {
    "r": 16,
    "g": 19,
    "b": 89
  },
  "hsl": {
    "h": 237.534,
    "s": 69.524,
    "l": 20.588
  },
  "oklch": {
    "l": 0.24589,
    "c": 0.12153,
    "h": 271.4
  },
  "luminance": 0.01297
}

Semantic roles & 50–950 ramp

primary

#101359

secondary

#928E33

accent

#E53BEC

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #101359

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

Preview Lab → · Contrast checker → · Palette generator →