#101641#101641

#101641 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.6% C 0.081 H 272.1°. Best body text is #FFFFFF at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#101641
RGB	rgb(16, 22, 65)
HSL	hsl(233, 60%, 16%)
HSV	hsv(233, 75%, 25%)
CMYK	cmyk(75.4%, 66.2%, 0%, 74.5%)
CIE-LAB	lab(9.53, 14.11, -28.22)
CIE-LCH	lch(9.53, 31.55, 296.56°)
OKLab	oklab(22.56% 0.003 -0.0813)
OKLCH	oklch(22.56% 0.081 272.1)
XYZ	xyz(1.4544, 1.0655, 5.1290)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101641 #413B10

analogous

#102E41 #101641 #221041

triadic

#101641 #411016 #164110

tetradic

#101641 #41102E #413B10 #104122

square

#101641 #41102E #413B10 #104122

split-complementary

#101641 #412210 #2E4110

monochromatic

#060819 #060819 #101641 #1C2772 #2837A3

Accessibility & contrast

On white

17.31

#101641 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#101641 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101641

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101641	#FFFFFF	#000000	##FFFFFF
##101641	1.00	17.31	1.21	17.31
#FFFFFF	17.31	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D42

Deuteranopia (green-blind)

#001840

Tritanopia (blue-blind)

#002128

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #101641;
/* rgb */ color: rgb(16, 22, 65);
/* oklch */ color: oklch(22.6% 0.081 272.1);

Tailwind

colors: {
  custom: {
    50: '#565276',
    500: '#101641',
    950: '#000000',
  },
}

SCSS

$custom: #101641;
$custom-light: #565276;
$custom-dark: #000000;

JSON

{
  "hex": "#101641",
  "rgb": {
    "r": 16,
    "g": 22,
    "b": 65
  },
  "hsl": {
    "h": 232.653,
    "s": 60.494,
    "l": 15.882
  },
  "oklch": {
    "l": 0.22557,
    "c": 0.08133,
    "h": 272.1
  },
  "luminance": 0.01066
}

Semantic roles & 50–950 ramp

primary

#101641

secondary

#7B7232

accent

#D044E4

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #101641

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

Preview Lab → · Contrast checker → · Palette generator →