#101A53#101A53

#101A53 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.3% C 0.104 H 269.5°. Best body text is #FFFFFF at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#101A53
RGB	rgb(16, 26, 83)
HSL	hsl(231, 68%, 19%)
HSV	hsv(231, 81%, 33%)
CMYK	cmyk(80.7%, 68.7%, 0%, 67.5%)
CIE-LAB	lab(12.44, 18.70, -35.95)
CIE-LCH	lch(12.44, 40.52, 297.48°)
OKLab	oklab(25.25% -0.0008 -0.1039)
OKLCH	oklch(25.25% 0.104 269.5)
XYZ	xyz(2.1439, 1.4733, 8.3533)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101A53 #534910

analogous

#103C53 #101A53 #281053

triadic

#101A53 #53101A #1A5310

tetradic

#101A53 #53103C #534910 #105328

square

#101A53 #53103C #534910 #105328

split-complementary

#101A53 #532810 #3C5310

monochromatic

#05081A #060A20 #101A53 #1A2A86 #243ABA

Accessibility & contrast

On white

16.22

#101A53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#101A53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A53

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101A53	#FFFFFF	#000000	##FFFFFF
##101A53	1.00	16.22	1.29	16.22
#FFFFFF	16.22	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002455

Deuteranopia (green-blind)

#001D52

Tritanopia (blue-blind)

#002933

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #101a53;
/* rgb */ color: rgb(16, 26, 83);
/* oklch */ color: oklch(25.3% 0.104 269.5);

Tailwind

colors: {
  custom: {
    50: '#5a5684',
    500: '#101a53',
    950: '#000000',
  },
}

SCSS

$custom: #101a53;
$custom-light: #5a5684;
$custom-dark: #000000;

JSON

{
  "hex": "#101a53",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 83
  },
  "hsl": {
    "h": 231.045,
    "s": 67.677,
    "l": 19.412
  },
  "oklch": {
    "l": 0.2525,
    "c": 0.10391,
    "h": 269.5
  },
  "luminance": 0.01473
}

Semantic roles & 50–950 ramp

primary

#101A53

secondary

#8D7F32

accent

#D13DEB

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #101A53

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

Preview Lab → · Contrast checker → · Palette generator →