#101648#101648

#101648 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.3% C 0.093 H 271.8°. Best body text is #FFFFFF at 17.07:1 contrast (WCAG AA passes).

Color values

HEX	#101648
RGB	rgb(16, 22, 72)
HSL	hsl(234, 64%, 17%)
HSV	hsv(234, 78%, 28%)
CMYK	cmyk(77.8%, 69.4%, 0%, 71.8%)
CIE-LAB	lab(10.20, 17.07, -32.04)
CIE-LCH	lch(10.20, 36.30, 298.04°)
OKLab	oklab(23.26% 0.0029 -0.0925)
OKLCH	oklch(23.26% 0.093 271.8)
XYZ	xyz(1.6699, 1.1517, 6.2639)
Luminance	0.0115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101648 #484210

analogous

#103248 #101648 #261048

triadic

#101648 #481016 #164810

tetradic

#101648 #481032 #484210 #104826

square

#101648 #481032 #484210 #104826

split-complementary

#101648 #482610 #324810

monochromatic

#060819 #060819 #101648 #1B257A #2635AC

Accessibility & contrast

On white

17.07

#101648 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#101648 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101648

17.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101648	#FFFFFF	#000000	##FFFFFF
##101648	1.00	17.07	1.23	17.07
#FFFFFF	17.07	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4A

Deuteranopia (green-blind)

#001947

Tritanopia (blue-blind)

#00232C

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #101648;
/* rgb */ color: rgb(16, 22, 72);
/* oklch */ color: oklch(23.3% 0.093 271.8);

Tailwind

colors: {
  custom: {
    50: '#57537b',
    500: '#101648',
    950: '#000000',
  },
}

SCSS

$custom: #101648;
$custom-light: #57537b;
$custom-dark: #000000;

JSON

{
  "hex": "#101648",
  "rgb": {
    "r": 16,
    "g": 22,
    "b": 72
  },
  "hsl": {
    "h": 233.571,
    "s": 63.636,
    "l": 17.255
  },
  "oklch": {
    "l": 0.23262,
    "c": 0.09253,
    "h": 271.8
  },
  "luminance": 0.01152
}

Semantic roles & 50–950 ramp

primary

#101648

secondary

#827932

accent

#D541E7

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #101648

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

Preview Lab → · Contrast checker → · Palette generator →