#101647#101647

#101647 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.2% C 0.091 H 271.8°. Best body text is #FFFFFF at 17.10:1 contrast (WCAG AA passes).

Color values

HEX	#101647
RGB	rgb(16, 22, 71)
HSL	hsl(233, 63%, 17%)
HSV	hsv(233, 77%, 28%)
CMYK	cmyk(77.5%, 69%, 0%, 72.2%)
CIE-LAB	lab(10.10, 16.65, -31.50)
CIE-LCH	lch(10.10, 35.63, 297.85°)
OKLab	oklab(23.16% 0.0029 -0.0909)
OKLCH	oklch(23.16% 0.091 271.8)
XYZ	xyz(1.6375, 1.1388, 6.0935)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101647 #474110

analogous

#103247 #101647 #261047

triadic

#101647 #471016 #164710

tetradic

#101647 #471032 #474110 #104726

square

#101647 #471032 #474110 #104726

split-complementary

#101647 #472610 #324710

monochromatic

#060819 #060819 #101647 #1B2579 #2735AB

Accessibility & contrast

On white

17.10

#101647 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#101647 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101647

17.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101647	#FFFFFF	#000000	##FFFFFF
##101647	1.00	17.10	1.23	17.10
#FFFFFF	17.10	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E49

Deuteranopia (green-blind)

#001946

Tritanopia (blue-blind)

#00222C

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #101647;
/* rgb */ color: rgb(16, 22, 71);
/* oklch */ color: oklch(23.2% 0.091 271.8);

Tailwind

colors: {
  custom: {
    50: '#57537b',
    500: '#101647',
    950: '#000000',
  },
}

SCSS

$custom: #101647;
$custom-light: #57537b;
$custom-dark: #000000;

JSON

{
  "hex": "#101647",
  "rgb": {
    "r": 16,
    "g": 22,
    "b": 71
  },
  "hsl": {
    "h": 233.455,
    "s": 63.218,
    "l": 17.059
  },
  "oklch": {
    "l": 0.23159,
    "c": 0.09096,
    "h": 271.8
  },
  "luminance": 0.01139
}

Semantic roles & 50–950 ramp

primary

#101647

secondary

#817832

accent

#D442E6

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #101647

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

Preview Lab → · Contrast checker → · Palette generator →