#101547#101547

#101547 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.9% C 0.092 H 272.4°. Best body text is #FFFFFF at 17.21:1 contrast (WCAG AA passes).

Color values

HEX	#101547
RGB	rgb(16, 21, 71)
HSL	hsl(235, 63%, 17%)
HSV	hsv(235, 77%, 28%)
CMYK	cmyk(77.5%, 70.4%, 0%, 72.2%)
CIE-LAB	lab(9.81, 17.40, -31.98)
CIE-LCH	lch(9.81, 36.41, 298.55°)
OKLab	oklab(22.95% 0.0038 -0.0923)
OKLCH	oklch(22.95% 0.092 272.4)
XYZ	xyz(1.6188, 1.1013, 6.0873)
Luminance	0.0110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101547 #474210

analogous

#103147 #101547 #271047

triadic

#101547 #471015 #154710

tetradic

#101547 #471031 #474210 #104727

square

#101547 #471031 #474210 #104727

split-complementary

#101547 #472710 #314710

monochromatic

#060719 #060719 #101547 #1B2479 #2733AB

Accessibility & contrast

On white

17.21

#101547 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#101547 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101547

17.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101547	#FFFFFF	#000000	##FFFFFF
##101547	1.00	17.21	1.22	17.21
#FFFFFF	17.21	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E49

Deuteranopia (green-blind)

#001946

Tritanopia (blue-blind)

#00222B

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #101547;
/* rgb */ color: rgb(16, 21, 71);
/* oklch */ color: oklch(22.9% 0.092 272.4);

Tailwind

colors: {
  custom: {
    50: '#57527b',
    500: '#101547',
    950: '#000000',
  },
}

SCSS

$custom: #101547;
$custom-light: #57527b;
$custom-dark: #000000;

JSON

{
  "hex": "#101547",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 71
  },
  "hsl": {
    "h": 234.545,
    "s": 63.218,
    "l": 17.059
  },
  "oklch": {
    "l": 0.22946,
    "c": 0.09239,
    "h": 272.4
  },
  "luminance": 0.01101
}

Semantic roles & 50–950 ramp

primary

#101547

secondary

#817A32

accent

#D742E6

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #101547

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

Preview Lab → · Contrast checker → · Palette generator →