#101756#101756

#101756 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 25.0% C 0.112 H 270.5°. Best body text is #FFFFFF at 16.42:1 contrast (WCAG AA passes).

Color values

HEX	#101756
RGB	rgb(16, 23, 86)
HSL	hsl(234, 69%, 20%)
HSV	hsv(234, 81%, 34%)
CMYK	cmyk(81.4%, 73.3%, 0%, 66.3%)
CIE-LAB	lab(11.92, 22.13, -38.84)
CIE-LCH	lch(11.92, 44.70, 299.67°)
OKLab	oklab(24.97% 0.001 -0.1124)
OKLCH	oklch(24.97% 0.112 270.5)
XYZ	xyz(2.1992, 1.3946, 8.9556)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101756 #564F10

analogous

#103A56 #101756 #2C1056

triadic

#101756 #561017 #175610

tetradic

#101756 #56103A #564F10 #10562C

square

#101756 #56103A #564F10 #10562C

split-complementary

#101756 #562C10 #3A5610

monochromatic

#05071A #060922 #101756 #1A258A #2333BD

Accessibility & contrast

On white

16.42

#101756 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#101756 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101756

16.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101756	#FFFFFF	#000000	##FFFFFF
##101756	1.00	16.42	1.28	16.42
#FFFFFF	16.42	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002358

Deuteranopia (green-blind)

#001C55

Tritanopia (blue-blind)

#002834

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #101756;
/* rgb */ color: rgb(16, 23, 86);
/* oklch */ color: oklch(25.0% 0.112 270.5);

Tailwind

colors: {
  custom: {
    50: '#5c5486',
    500: '#101756',
    950: '#000000',
  },
}

SCSS

$custom: #101756;
$custom-light: #5c5486;
$custom-dark: #000000;

JSON

{
  "hex": "#101756",
  "rgb": {
    "r": 16,
    "g": 23,
    "b": 86
  },
  "hsl": {
    "h": 234,
    "s": 68.627,
    "l": 20
  },
  "oklch": {
    "l": 0.24968,
    "c": 0.11237,
    "h": 270.5
  },
  "luminance": 0.01395
}

Semantic roles & 50–950 ramp

primary

#101756

secondary

#8F8632

accent

#DA3CEB

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #101756

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

Preview Lab → · Contrast checker → · Palette generator →