#101328#101328

#101328 is a very dark, muted blue. Relative luminance 0.007; OKLCH L 19.6% C 0.042 H 275.6°. Best body text is #FFFFFF at 18.33:1 contrast (WCAG AA passes).

Color values

HEX	#101328
RGB	rgb(16, 19, 40)
HSL	hsl(233, 43%, 11%)
HSV	hsv(233, 60%, 16%)
CMYK	cmyk(60%, 52.5%, 0%, 84.3%)
CIE-LAB	lab(6.59, 5.59, -14.73)
CIE-LCH	lch(6.59, 15.75, 290.78°)
OKLab	oklab(19.61% 0.0042 -0.0421)
OKLCH	oklch(19.61% 0.042 275.6)
XYZ	xyz(0.8294, 0.7291, 2.1041)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101328 #282510

analogous

#101F28 #101328 #191028

triadic

#101328 #281013 #132810

tetradic

#101328 #28101F #282510 #102819

square

#101328 #28101F #282510 #102819

split-complementary

#101328 #281910 #1F2810

monochromatic

#090A16 #090A16 #101328 #212854 #333D7F

Accessibility & contrast

On white

18.33

#101328 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#101328 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101328

18.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101328	#FFFFFF	#000000	##FFFFFF
##101328	1.00	18.33	1.15	18.33
#FFFFFF	18.33	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B1629

Deuteranopia (green-blind)

#091428

Tritanopia (blue-blind)

#07171B

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #101328;
/* rgb */ color: rgb(16, 19, 40);
/* oklch */ color: oklch(19.6% 0.042 275.6);

Tailwind

colors: {
  custom: {
    50: '#4f5062',
    500: '#101328',
    950: '#000000',
  },
}

SCSS

$custom: #101328;
$custom-light: #4f5062;
$custom-dark: #000000;

JSON

{
  "hex": "#101328",
  "rgb": {
    "r": 16,
    "g": 19,
    "b": 40
  },
  "hsl": {
    "h": 232.5,
    "s": 42.857,
    "l": 10.98
  },
  "oklch": {
    "l": 0.19615,
    "c": 0.04233,
    "h": 275.6
  },
  "luminance": 0.00729
}

Semantic roles & 50–950 ramp

primary

#101328

secondary

#605B34

accent

#C355D3

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#020205

muted

#787879

Preview Lab

Preview with #101328

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

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