#101749#101749

#101749 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.6% C 0.093 H 271.2°. Best body text is #FFFFFF at 16.92:1 contrast (WCAG AA passes).

Color values

HEX	#101749
RGB	rgb(16, 23, 73)
HSL	hsl(233, 64%, 17%)
HSV	hsv(233, 78%, 29%)
CMYK	cmyk(78.1%, 68.5%, 0%, 71.4%)
CIE-LAB	lab(10.59, 16.74, -32.10)
CIE-LCH	lch(10.59, 36.20, 297.54°)
OKLab	oklab(23.58% 0.002 -0.0926)
OKLCH	oklch(23.58% 0.093 271.2)
XYZ	xyz(1.7223, 1.2038, 6.4436)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101749 #494210

analogous

#103349 #101749 #261049

triadic

#101749 #491017 #174910

tetradic

#101749 #491033 #494210 #104926

square

#101749 #491033 #494210 #104926

split-complementary

#101749 #492610 #334910

monochromatic

#060819 #060819 #101749 #1B277B #2637AD

Accessibility & contrast

On white

16.92

#101749 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#101749 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101749

16.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101749	#FFFFFF	#000000	##FFFFFF
##101749	1.00	16.92	1.24	16.92
#FFFFFF	16.92	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4B

Deuteranopia (green-blind)

#001A48

Tritanopia (blue-blind)

#00242D

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #101749;
/* rgb */ color: rgb(16, 23, 73);
/* oklch */ color: oklch(23.6% 0.093 271.2);

Tailwind

colors: {
  custom: {
    50: '#58537c',
    500: '#101749',
    950: '#000000',
  },
}

SCSS

$custom: #101749;
$custom-light: #58537c;
$custom-dark: #000000;

JSON

{
  "hex": "#101749",
  "rgb": {
    "r": 16,
    "g": 23,
    "b": 73
  },
  "hsl": {
    "h": 232.632,
    "s": 64.045,
    "l": 17.451
  },
  "oklch": {
    "l": 0.2358,
    "c": 0.09267,
    "h": 271.2
  },
  "luminance": 0.01204
}

Semantic roles & 50–950 ramp

primary

#101749

secondary

#837932

accent

#D341E7

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #101749

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

Preview Lab → · Contrast checker → · Palette generator →