#101649#101649

#101649 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.4% C 0.094 H 271.7°. Best body text is #FFFFFF at 17.03:1 contrast (WCAG AA passes).

Color values

HEX	#101649
RGB	rgb(16, 22, 73)
HSL	hsl(234, 64%, 17%)
HSV	hsv(234, 78%, 29%)
CMYK	cmyk(78.1%, 69.9%, 0%, 71.4%)
CIE-LAB	lab(10.30, 17.49, -32.58)
CIE-LCH	lch(10.30, 36.97, 298.23°)
OKLab	oklab(23.37% 0.0028 -0.094)
OKLCH	oklch(23.37% 0.094 271.7)
XYZ	xyz(1.7028, 1.1648, 6.4371)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101649 #494310

analogous

#103349 #101649 #261049

triadic

#101649 #491016 #164910

tetradic

#101649 #491033 #494310 #104926

square

#101649 #491033 #494310 #104926

split-complementary

#101649 #492610 #334910

monochromatic

#060819 #060819 #101649 #1B257B #2634AD

Accessibility & contrast

On white

17.03

#101649 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#101649 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101649

17.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101649	#FFFFFF	#000000	##FFFFFF
##101649	1.00	17.03	1.23	17.03
#FFFFFF	17.03	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4B

Deuteranopia (green-blind)

#001948

Tritanopia (blue-blind)

#00232D

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #101649;
/* rgb */ color: rgb(16, 22, 73);
/* oklch */ color: oklch(23.4% 0.094 271.7);

Tailwind

colors: {
  custom: {
    50: '#58537c',
    500: '#101649',
    950: '#000000',
  },
}

SCSS

$custom: #101649;
$custom-light: #58537c;
$custom-dark: #000000;

JSON

{
  "hex": "#101649",
  "rgb": {
    "r": 16,
    "g": 22,
    "b": 73
  },
  "hsl": {
    "h": 233.684,
    "s": 64.045,
    "l": 17.451
  },
  "oklch": {
    "l": 0.23366,
    "c": 0.09409,
    "h": 271.7
  },
  "luminance": 0.01165
}

Semantic roles & 50–950 ramp

primary

#101649

secondary

#837A32

accent

#D641E7

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #101649

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

Preview Lab → · Contrast checker → · Palette generator →