#101853#101853

#101853 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.8% C 0.107 H 270.3°. Best body text is #FFFFFF at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#101853
RGB	rgb(16, 24, 83)
HSL	hsl(233, 68%, 19%)
HSV	hsv(233, 81%, 33%)
CMYK	cmyk(80.7%, 71.1%, 0%, 67.5%)
CIE-LAB	lab(11.88, 20.17, -36.87)
CIE-LCH	lch(11.88, 42.03, 298.68°)
OKLab	oklab(24.84% 0.0006 -0.1066)
OKLCH	oklch(24.84% 0.107 270.3)
XYZ	xyz(2.1011, 1.3877, 8.3391)
Luminance	0.0139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101853 #534B10

analogous

#103A53 #101853 #2A1053

triadic

#101853 #531018 #185310

tetradic

#101853 #53103A #534B10 #10532A

square

#101853 #53103A #534B10 #10532A

split-complementary

#101853 #532A10 #3A5310

monochromatic

#05071A #060920 #101853 #1A2786 #2436BA

Accessibility & contrast

On white

16.44

#101853 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#101853 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101853

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101853	#FFFFFF	#000000	##FFFFFF
##101853	1.00	16.44	1.28	16.44
#FFFFFF	16.44	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002255

Deuteranopia (green-blind)

#001C52

Tritanopia (blue-blind)

#002833

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #101853;
/* rgb */ color: rgb(16, 24, 83);
/* oklch */ color: oklch(24.8% 0.107 270.3);

Tailwind

colors: {
  custom: {
    50: '#5b5484',
    500: '#101853',
    950: '#000000',
  },
}

SCSS

$custom: #101853;
$custom-light: #5b5484;
$custom-dark: #000000;

JSON

{
  "hex": "#101853",
  "rgb": {
    "r": 16,
    "g": 24,
    "b": 83
  },
  "hsl": {
    "h": 232.836,
    "s": 67.677,
    "l": 19.412
  },
  "oklch": {
    "l": 0.24838,
    "c": 0.10662,
    "h": 270.3
  },
  "luminance": 0.01388
}

Semantic roles & 50–950 ramp

primary

#101853

secondary

#8D8232

accent

#D63DEB

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #101853

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

Preview Lab → · Contrast checker → · Palette generator →