#101549#101549

#101549 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.2% C 0.096 H 272.2°. Best body text is #FFFFFF at 17.13:1 contrast (WCAG AA passes).

Color values

HEX	#101549
RGB	rgb(16, 21, 73)
HSL	hsl(235, 64%, 17%)
HSV	hsv(235, 78%, 29%)
CMYK	cmyk(78.1%, 71.2%, 0%, 71.4%)
CIE-LAB	lab(10.01, 18.23, -33.04)
CIE-LCH	lch(10.01, 37.74, 298.89°)
OKLab	oklab(23.16% 0.0037 -0.0954)
OKLCH	oklch(23.16% 0.096 272.2)
XYZ	xyz(1.6840, 1.1274, 6.4309)
Luminance	0.0113 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101549 #494410

analogous

#103149 #101549 #281049

triadic

#101549 #491015 #154910

tetradic

#101549 #491031 #494410 #104928

square

#101549 #491031 #494410 #104928

split-complementary

#101549 #492810 #314910

monochromatic

#060719 #060719 #101549 #1B237B #2632AD

Accessibility & contrast

On white

17.13

#101549 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#101549 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101549

17.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101549	#FFFFFF	#000000	##FFFFFF
##101549	1.00	17.13	1.23	17.13
#FFFFFF	17.13	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4B

Deuteranopia (green-blind)

#001948

Tritanopia (blue-blind)

#00232C

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #101549;
/* rgb */ color: rgb(16, 21, 73);
/* oklch */ color: oklch(23.2% 0.096 272.2);

Tailwind

colors: {
  custom: {
    50: '#58527c',
    500: '#101549',
    950: '#000000',
  },
}

SCSS

$custom: #101549;
$custom-light: #58527c;
$custom-dark: #000000;

JSON

{
  "hex": "#101549",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 73
  },
  "hsl": {
    "h": 234.737,
    "s": 64.045,
    "l": 17.451
  },
  "oklch": {
    "l": 0.23157,
    "c": 0.0955,
    "h": 272.2
  },
  "luminance": 0.01128
}

Semantic roles & 50–950 ramp

primary

#101549

secondary

#837C32

accent

#D841E7

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #101549

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

Preview Lab → · Contrast checker → · Palette generator →