#101545#101545

#101545 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.7% C 0.089 H 272.5°. Best body text is #FFFFFF at 17.28:1 contrast (WCAG AA passes).

Color values

HEX	#101545
RGB	rgb(16, 21, 69)
HSL	hsl(234, 62%, 17%)
HSV	hsv(234, 77%, 27%)
CMYK	cmyk(76.8%, 69.6%, 0%, 72.9%)
CIE-LAB	lab(9.61, 16.57, -30.90)
CIE-LCH	lch(9.61, 35.06, 298.19°)
OKLab	oklab(22.74% 0.0039 -0.0891)
OKLCH	oklch(22.74% 0.089 272.5)
XYZ	xyz(1.5557, 1.0760, 5.7548)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101545 #454010

analogous

#103045 #101545 #261045

triadic

#101545 #451015 #154510

tetradic

#101545 #451030 #454010 #104526

square

#101545 #451030 #454010 #104526

split-complementary

#101545 #452610 #304510

monochromatic

#060819 #060819 #101545 #1C2477 #2733A8

Accessibility & contrast

On white

17.28

#101545 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#101545 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101545

17.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101545	#FFFFFF	#000000	##FFFFFF
##101545	1.00	17.28	1.22	17.28
#FFFFFF	17.28	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D47

Deuteranopia (green-blind)

#001844

Tritanopia (blue-blind)

#00212A

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #101545;
/* rgb */ color: rgb(16, 21, 69);
/* oklch */ color: oklch(22.7% 0.089 272.5);

Tailwind

colors: {
  custom: {
    50: '#575279',
    500: '#101545',
    950: '#000000',
  },
}

SCSS

$custom: #101545;
$custom-light: #575279;
$custom-dark: #000000;

JSON

{
  "hex": "#101545",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 69
  },
  "hsl": {
    "h": 234.34,
    "s": 62.353,
    "l": 16.667
  },
  "oklch": {
    "l": 0.22738,
    "c": 0.08924,
    "h": 272.5
  },
  "luminance": 0.01076
}

Semantic roles & 50–950 ramp

primary

#101545

secondary

#7F7832

accent

#D642E5

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #101545

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

Preview Lab → · Contrast checker → · Palette generator →