#101847#101847

#101847 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.6% C 0.088 H 270.7°. Best body text is #FFFFFF at 16.89:1 contrast (WCAG AA passes).

Color values

HEX	#101847
RGB	rgb(16, 24, 71)
HSL	hsl(231, 63%, 17%)
HSV	hsv(231, 77%, 28%)
CMYK	cmyk(77.5%, 66.2%, 0%, 72.2%)
CIE-LAB	lab(10.69, 15.13, -30.54)
CIE-LCH	lch(10.69, 34.08, 296.35°)
OKLab	oklab(23.6% 0.0011 -0.088)
OKLCH	oklch(23.6% 0.088 270.7)
XYZ	xyz(1.6773, 1.2182, 6.1068)
Luminance	0.0122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101847 #473F10

analogous

#103447 #101847 #241047

triadic

#101847 #471018 #184710

tetradic

#101847 #471034 #473F10 #104724

square

#101847 #471034 #473F10 #104724

split-complementary

#101847 #472410 #344710

monochromatic

#060819 #060819 #101847 #1B2979 #273AAB

Accessibility & contrast

On white

16.89

#101847 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#101847 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101847

16.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101847	#FFFFFF	#000000	##FFFFFF
##101847	1.00	16.89	1.24	16.89
#FFFFFF	16.89	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F49

Deuteranopia (green-blind)

#001A46

Tritanopia (blue-blind)

#00242C

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #101847;
/* rgb */ color: rgb(16, 24, 71);
/* oklch */ color: oklch(23.6% 0.088 270.7);

Tailwind

colors: {
  custom: {
    50: '#57547b',
    500: '#101847',
    950: '#000000',
  },
}

SCSS

$custom: #101847;
$custom-light: #57547b;
$custom-dark: #000000;

JSON

{
  "hex": "#101847",
  "rgb": {
    "r": 16,
    "g": 24,
    "b": 71
  },
  "hsl": {
    "h": 231.273,
    "s": 63.218,
    "l": 17.059
  },
  "oklch": {
    "l": 0.23598,
    "c": 0.08806,
    "h": 270.7
  },
  "luminance": 0.01218
}

Semantic roles & 50–950 ramp

primary

#101847

secondary

#817532

accent

#CE42E6

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030209

muted

#78787B

Preview Lab

Preview with #101847

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

Preview Lab → · Contrast checker → · Palette generator →