#101848#101848

#101848 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.7% C 0.090 H 270.7°. Best body text is #FFFFFF at 16.85:1 contrast (WCAG AA passes).

Color values

HEX	#101848
RGB	rgb(16, 24, 72)
HSL	hsl(231, 64%, 17%)
HSV	hsv(231, 78%, 28%)
CMYK	cmyk(77.8%, 66.7%, 0%, 71.8%)
CIE-LAB	lab(10.78, 15.55, -31.08)
CIE-LCH	lch(10.78, 34.76, 296.58°)
OKLab	oklab(23.7% 0.0011 -0.0896)
OKLCH	oklch(23.7% 0.09 270.7)
XYZ	xyz(1.7096, 1.2311, 6.2772)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101848 #484010

analogous

#103448 #101848 #241048

triadic

#101848 #481018 #184810

tetradic

#101848 #481034 #484010 #104824

square

#101848 #481034 #484010 #104824

split-complementary

#101848 #482410 #344810

monochromatic

#060819 #060819 #101848 #1B297A #2639AC

Accessibility & contrast

On white

16.85

#101848 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#101848 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101848

16.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101848	#FFFFFF	#000000	##FFFFFF
##101848	1.00	16.85	1.25	16.85
#FFFFFF	16.85	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204A

Deuteranopia (green-blind)

#001B47

Tritanopia (blue-blind)

#00242D

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #101848;
/* rgb */ color: rgb(16, 24, 72);
/* oklch */ color: oklch(23.7% 0.090 270.7);

Tailwind

colors: {
  custom: {
    50: '#57547b',
    500: '#101848',
    950: '#000000',
  },
}

SCSS

$custom: #101848;
$custom-light: #57547b;
$custom-dark: #000000;

JSON

{
  "hex": "#101848",
  "rgb": {
    "r": 16,
    "g": 24,
    "b": 72
  },
  "hsl": {
    "h": 231.429,
    "s": 63.636,
    "l": 17.255
  },
  "oklch": {
    "l": 0.23697,
    "c": 0.08965,
    "h": 270.7
  },
  "luminance": 0.01231
}

Semantic roles & 50–950 ramp

primary

#101848

secondary

#827732

accent

#CF41E7

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #101848

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

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