#101843#101843

#101843 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.2% C 0.082 H 270.7°. Best body text is #FFFFFF at 17.02:1 contrast (WCAG AA passes).

Color values

HEX	#101843
RGB	rgb(16, 24, 67)
HSL	hsl(231, 61%, 16%)
HSV	hsv(231, 76%, 26%)
CMYK	cmyk(76.1%, 64.2%, 0%, 73.7%)
CIE-LAB	lab(10.32, 13.42, -28.34)
CIE-LCH	lch(10.32, 31.35, 295.34°)
OKLab	oklab(23.21% 0.001 -0.0816)
OKLCH	oklch(23.21% 0.082 270.7)
XYZ	xyz(1.5531, 1.1685, 5.4528)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.07

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101843 #433B10

analogous

#103243 #101843 #221043

triadic

#101843 #431018 #184310

tetradic

#101843 #431032 #433B10 #104322

square

#101843 #431032 #433B10 #104322

split-complementary

#101843 #432210 #324310

monochromatic

#060919 #060919 #101843 #1C2A74 #283BA6

Accessibility & contrast

On white

17.02

#101843 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#101843 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101843

17.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101843	#FFFFFF	#000000	##FFFFFF
##101843	1.00	17.02	1.23	17.02
#FFFFFF	17.02	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F44

Deuteranopia (green-blind)

#001A42

Tritanopia (blue-blind)

#00222A

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #101843;
/* rgb */ color: rgb(16, 24, 67);
/* oklch */ color: oklch(23.2% 0.082 270.7);

Tailwind

colors: {
  custom: {
    50: '#565477',
    500: '#101843',
    950: '#000000',
  },
}

SCSS

$custom: #101843;
$custom-light: #565477;
$custom-dark: #000000;

JSON

{
  "hex": "#101843",
  "rgb": {
    "r": 16,
    "g": 24,
    "b": 67
  },
  "hsl": {
    "h": 230.588,
    "s": 61.446,
    "l": 16.275
  },
  "oklch": {
    "l": 0.23209,
    "c": 0.08158,
    "h": 270.7
  },
  "luminance": 0.01169
}

Semantic roles & 50–950 ramp

primary

#101843

secondary

#7D7132

accent

#CB43E5

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #101843

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

Preview Lab → · Contrast checker → · Palette generator →