#101573#101573

#101573 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.1% C 0.154 H 269.0°. Best body text is #FFFFFF at 15.25:1 contrast (WCAG AA passes).

Color values

HEX	#101573
RGB	rgb(16, 21, 115)
HSL	hsl(237, 76%, 26%)
HSV	hsv(237, 86%, 45%)
CMYK	cmyk(86.1%, 81.7%, 0%, 54.9%)
CIE-LAB	lab(14.87, 34.49, -53.18)
CIE-LCH	lch(14.87, 63.38, 302.97°)
OKLab	oklab(28.08% -0.0026 -0.1541)
OKLCH	oklch(28.08% 0.154 269)
XYZ	xyz(3.5753, 1.8839, 16.3915)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101573 #736E10

analogous

#104673 #101573 #3C1073

triadic

#101573 #731015 #157310

tetradic

#101573 #731046 #736E10 #10733C

square

#101573 #731046 #736E10 #10733C

split-complementary

#101573 #733C10 #467310

monochromatic

#04051B #090B3D #101573 #171FA9 #1F29DE

Accessibility & contrast

On white

15.25

#101573 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#101573 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101573

15.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101573	#FFFFFF	#000000	##FFFFFF
##101573	1.00	15.25	1.38	15.25
#FFFFFF	15.25	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A76

Deuteranopia (green-blind)

#002071

Tritanopia (blue-blind)

#003244

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #101573;
/* rgb */ color: rgb(16, 21, 115);
/* oklch */ color: oklch(28.1% 0.154 269.0);

Tailwind

colors: {
  custom: {
    50: '#64549c',
    500: '#101573',
    950: '#000000',
  },
}

SCSS

$custom: #101573;
$custom-light: #64549c;
$custom-dark: #000000;

JSON

{
  "hex": "#101573",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 115
  },
  "hsl": {
    "h": 236.97,
    "s": 75.573,
    "l": 25.686
  },
  "oklch": {
    "l": 0.28078,
    "c": 0.15408,
    "h": 269
  },
  "luminance": 0.01884
}

Semantic roles & 50–950 ramp

primary

#101573

secondary

#AAA434

accent

#E936F2

background

#F6F4F9

surface

#EBE8F2

border

#C6C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #101573

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

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