#101841#101841

#101841 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.0% C 0.078 H 270.7°. Best body text is #FFFFFF at 17.09:1 contrast (WCAG AA passes).

Color values

HEX	#101841
RGB	rgb(16, 24, 65)
HSL	hsl(230, 60%, 16%)
HSV	hsv(230, 75%, 25%)
CMYK	cmyk(75.4%, 63.1%, 0%, 74.5%)
CIE-LAB	lab(10.14, 12.56, -27.22)
CIE-LCH	lch(10.14, 29.97, 294.77°)
OKLab	oklab(23.02% 0.0009 -0.0783)
OKLCH	oklch(23.02% 0.078 270.7)
XYZ	xyz(1.4941, 1.1449, 5.1423)
Luminance	0.0115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101841 #413910

analogous

#103041 #101841 #201041

triadic

#101841 #411018 #184110

tetradic

#101841 #411030 #413910 #104120

square

#101841 #411030 #413910 #104120

split-complementary

#101841 #412010 #304110

monochromatic

#060919 #060919 #101841 #1C2A72 #283CA3

Accessibility & contrast

On white

17.09

#101841 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#101841 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101841

17.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101841	#FFFFFF	#000000	##FFFFFF
##101841	1.00	17.09	1.23	17.09
#FFFFFF	17.09	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E42

Deuteranopia (green-blind)

#001A40

Tritanopia (blue-blind)

#002229

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #101841;
/* rgb */ color: rgb(16, 24, 65);
/* oklch */ color: oklch(23.0% 0.078 270.7);

Tailwind

colors: {
  custom: {
    50: '#555476',
    500: '#101841',
    950: '#000000',
  },
}

SCSS

$custom: #101841;
$custom-light: #555476;
$custom-dark: #000000;

JSON

{
  "hex": "#101841",
  "rgb": {
    "r": 16,
    "g": 24,
    "b": 65
  },
  "hsl": {
    "h": 230.204,
    "s": 60.494,
    "l": 15.882
  },
  "oklch": {
    "l": 0.23019,
    "c": 0.07829,
    "h": 270.7
  },
  "luminance": 0.01145
}

Semantic roles & 50–950 ramp

primary

#101841

secondary

#7B6F32

accent

#CA44E4

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #101841

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

Preview Lab → · Contrast checker → · Palette generator →