#101A52#101A52

#101A52 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.1% C 0.102 H 269.6°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#101A52
RGB	rgb(16, 26, 82)
HSL	hsl(231, 67%, 19%)
HSV	hsv(231, 80%, 32%)
CMYK	cmyk(80.5%, 68.3%, 0%, 67.8%)
CIE-LAB	lab(12.34, 18.28, -35.43)
CIE-LCH	lch(12.34, 39.87, 297.29°)
OKLab	oklab(25.15% -0.0008 -0.1024)
OKLCH	oklch(25.15% 0.102 269.6)
XYZ	xyz(2.1055, 1.4579, 8.1514)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.38

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101A52 #524810

analogous

#103B52 #101A52 #271052

triadic

#101A52 #52101A #1A5210

tetradic

#101A52 #52103B #524810 #105227

square

#101A52 #52103B #524810 #105227

split-complementary

#101A52 #522710 #3B5210

monochromatic

#05081A #060A1F #101A52 #1A2A85 #243AB8

Accessibility & contrast

On white

16.26

#101A52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#101A52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A52

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101A52	#FFFFFF	#000000	##FFFFFF
##101A52	1.00	16.26	1.29	16.26
#FFFFFF	16.26	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002354

Deuteranopia (green-blind)

#001D51

Tritanopia (blue-blind)

#002833

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #101a52;
/* rgb */ color: rgb(16, 26, 82);
/* oklch */ color: oklch(25.1% 0.102 269.6);

Tailwind

colors: {
  custom: {
    50: '#5a5683',
    500: '#101a52',
    950: '#000000',
  },
}

SCSS

$custom: #101a52;
$custom-light: #5a5683;
$custom-dark: #000000;

JSON

{
  "hex": "#101a52",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 82
  },
  "hsl": {
    "h": 230.909,
    "s": 67.347,
    "l": 19.216
  },
  "oklch": {
    "l": 0.25147,
    "c": 0.10239,
    "h": 269.6
  },
  "luminance": 0.01458
}

Semantic roles & 50–950 ramp

primary

#101A52

secondary

#8C7E32

accent

#D03EEA

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #101A52

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

Preview Lab → · Contrast checker → · Palette generator →