#101856#101856

#101856 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.2% C 0.111 H 270.2°. Best body text is #FFFFFF at 16.32:1 contrast (WCAG AA passes).

Color values

HEX	#101856
RGB	rgb(16, 24, 86)
HSL	hsl(233, 69%, 20%)
HSV	hsv(233, 81%, 34%)
CMYK	cmyk(81.4%, 72.1%, 0%, 66.3%)
CIE-LAB	lab(12.19, 21.41, -38.40)
CIE-LCH	lch(12.19, 43.96, 299.14°)
OKLab	oklab(25.16% 0.0004 -0.1111)
OKLCH	oklch(25.16% 0.111 270.2)
XYZ	xyz(2.2195, 1.4351, 8.9623)
Luminance	0.0143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101856 #564E10

analogous

#103B56 #101856 #2B1056

triadic

#101856 #561018 #185610

tetradic

#101856 #56103B #564E10 #10562B

square

#101856 #56103B #564E10 #10562B

split-complementary

#101856 #562B10 #3B5610

monochromatic

#05071A #060A22 #101856 #1A268A #2335BD

Accessibility & contrast

On white

16.32

#101856 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#101856 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101856

16.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101856	#FFFFFF	#000000	##FFFFFF
##101856	1.00	16.32	1.29	16.32
#FFFFFF	16.32	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002358

Deuteranopia (green-blind)

#001D55

Tritanopia (blue-blind)

#002934

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #101856;
/* rgb */ color: rgb(16, 24, 86);
/* oklch */ color: oklch(25.2% 0.111 270.2);

Tailwind

colors: {
  custom: {
    50: '#5b5486',
    500: '#101856',
    950: '#000000',
  },
}

SCSS

$custom: #101856;
$custom-light: #5b5486;
$custom-dark: #000000;

JSON

{
  "hex": "#101856",
  "rgb": {
    "r": 16,
    "g": 24,
    "b": 86
  },
  "hsl": {
    "h": 233.143,
    "s": 68.627,
    "l": 20
  },
  "oklch": {
    "l": 0.25163,
    "c": 0.11108,
    "h": 270.2
  },
  "luminance": 0.01435
}

Semantic roles & 50–950 ramp

primary

#101856

secondary

#8F8532

accent

#D73CEB

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #101856

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

Preview Lab → · Contrast checker → · Palette generator →