#101544#101544

#101544 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.6% C 0.088 H 272.6°. Best body text is #FFFFFF at 17.32:1 contrast (WCAG AA passes).

Color values

HEX	#101544
RGB	rgb(16, 21, 68)
HSL	hsl(234, 62%, 16%)
HSV	hsv(234, 76%, 27%)
CMYK	cmyk(76.5%, 69.1%, 0%, 73.3%)
CIE-LAB	lab(9.51, 16.14, -30.36)
CIE-LCH	lch(9.51, 34.39, 298.00°)
OKLab	oklab(22.64% 0.004 -0.0876)
OKLCH	oklch(22.64% 0.088 272.6)
XYZ	xyz(1.5249, 1.0637, 5.5927)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101544 #443F10

analogous

#102F44 #101544 #251044

triadic

#101544 #441015 #154410

tetradic

#101544 #44102F #443F10 #104425

square

#101544 #44102F #443F10 #104425

split-complementary

#101544 #442510 #2F4410

monochromatic

#060819 #060819 #101544 #1C2476 #2734A7

Accessibility & contrast

On white

17.32

#101544 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#101544 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101544

17.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101544	#FFFFFF	#000000	##FFFFFF
##101544	1.00	17.32	1.21	17.32
#FFFFFF	17.32	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D46

Deuteranopia (green-blind)

#001843

Tritanopia (blue-blind)

#00212A

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #101544;
/* rgb */ color: rgb(16, 21, 68);
/* oklch */ color: oklch(22.6% 0.088 272.6);

Tailwind

colors: {
  custom: {
    50: '#565278',
    500: '#101544',
    950: '#000000',
  },
}

SCSS

$custom: #101544;
$custom-light: #565278;
$custom-dark: #000000;

JSON

{
  "hex": "#101544",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 68
  },
  "hsl": {
    "h": 234.231,
    "s": 61.905,
    "l": 16.471
  },
  "oklch": {
    "l": 0.22635,
    "c": 0.08765,
    "h": 272.6
  },
  "luminance": 0.01064
}

Semantic roles & 50–950 ramp

primary

#101544

secondary

#7E7732

accent

#D543E5

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #101544

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

Preview Lab → · Contrast checker → · Palette generator →