#101759#101759

#101759 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.3% C 0.117 H 270.3°. Best body text is #FFFFFF at 16.29:1 contrast (WCAG AA passes).

Color values

HEX	#101759
RGB	rgb(16, 23, 89)
HSL	hsl(234, 70%, 21%)
HSV	hsv(234, 82%, 35%)
CMYK	cmyk(82%, 74.2%, 0%, 65.1%)
CIE-LAB	lab(12.25, 23.34, -40.33)
CIE-LCH	lch(12.25, 46.60, 300.06°)
OKLab	oklab(25.3% 0.0007 -0.1167)
OKLCH	oklch(25.3% 0.117 270.3)
XYZ	xyz(2.3226, 1.4440, 9.6056)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101759 #595210

analogous

#103B59 #101759 #2D1059

triadic

#101759 #591017 #175910

tetradic

#101759 #59103B #595210 #10592D

square

#101759 #59103B #595210 #10592D

split-complementary

#101759 #592D10 #3B5910

monochromatic

#05071A #070A25 #101759 #19248D #2332C1

Accessibility & contrast

On white

16.29

#101759 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#101759 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101759

16.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101759	#FFFFFF	#000000	##FFFFFF
##101759	1.00	16.29	1.29	16.29
#FFFFFF	16.29	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245B

Deuteranopia (green-blind)

#001D58

Tritanopia (blue-blind)

#002936

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #101759;
/* rgb */ color: rgb(16, 23, 89);
/* oklch */ color: oklch(25.3% 0.117 270.3);

Tailwind

colors: {
  custom: {
    50: '#5c5489',
    500: '#101759',
    950: '#000000',
  },
}

SCSS

$custom: #101759;
$custom-light: #5c5489;
$custom-dark: #000000;

JSON

{
  "hex": "#101759",
  "rgb": {
    "r": 16,
    "g": 23,
    "b": 89
  },
  "hsl": {
    "h": 234.247,
    "s": 69.524,
    "l": 20.588
  },
  "oklch": {
    "l": 0.25303,
    "c": 0.11673,
    "h": 270.3
  },
  "luminance": 0.01444
}

Semantic roles & 50–950 ramp

primary

#101759

secondary

#928933

accent

#DB3BEC

background

#F5F4F8

surface

#E9E7F0

border

#C5C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #101759

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

Preview Lab → · Contrast checker → · Palette generator →