#101659#101659

#101659 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.1% C 0.118 H 270.6°. Best body text is #FFFFFF at 16.39:1 contrast (WCAG AA passes).

Color values

HEX	#101659
RGB	rgb(16, 22, 89)
HSL	hsl(235, 70%, 21%)
HSV	hsv(235, 82%, 35%)
CMYK	cmyk(82%, 75.3%, 0%, 65.1%)
CIE-LAB	lab(11.99, 24.04, -40.75)
CIE-LCH	lch(11.99, 47.31, 300.53°)
OKLab	oklab(25.12% 0.0013 -0.118)
OKLCH	oklch(25.12% 0.118 270.6)
XYZ	xyz(2.3032, 1.4050, 9.5991)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101659 #595310

analogous

#103A59 #101659 #2E1059

triadic

#101659 #591016 #165910

tetradic

#101659 #59103A #595310 #10592E

square

#101659 #59103A #595310 #10592E

split-complementary

#101659 #592E10 #3A5910

monochromatic

#05061A #070925 #101659 #19238D #2330C1

Accessibility & contrast

On white

16.39

#101659 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#101659 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101659

16.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101659	#FFFFFF	#000000	##FFFFFF
##101659	1.00	16.39	1.28	16.39
#FFFFFF	16.39	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235B

Deuteranopia (green-blind)

#001C58

Tritanopia (blue-blind)

#002935

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #101659;
/* rgb */ color: rgb(16, 22, 89);
/* oklch */ color: oklch(25.1% 0.118 270.6);

Tailwind

colors: {
  custom: {
    50: '#5d5389',
    500: '#101659',
    950: '#000000',
  },
}

SCSS

$custom: #101659;
$custom-light: #5d5389;
$custom-dark: #000000;

JSON

{
  "hex": "#101659",
  "rgb": {
    "r": 16,
    "g": 22,
    "b": 89
  },
  "hsl": {
    "h": 235.068,
    "s": 69.524,
    "l": 20.588
  },
  "oklch": {
    "l": 0.25118,
    "c": 0.11798,
    "h": 270.6
  },
  "luminance": 0.01405
}

Semantic roles & 50–950 ramp

primary

#101659

secondary

#928A33

accent

#DE3BEC

background

#F5F4F8

surface

#E9E7F0

border

#C5C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #101659

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

Preview Lab → · Contrast checker → · Palette generator →