#101C71#101C71

#101C71 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.9% C 0.144 H 268.2°. Best body text is #FFFFFF at 14.72:1 contrast (WCAG AA passes).

Color values

HEX	#101C71
RGB	rgb(16, 28, 113)
HSL	hsl(233, 75%, 25%)
HSV	hsv(233, 86%, 44%)
CMYK	cmyk(85.8%, 75.2%, 0%, 55.7%)
CIE-LAB	lab(16.17, 29.39, -49.73)
CIE-LCH	lch(16.17, 57.77, 300.59°)
OKLab	oklab(28.93% -0.0046 -0.1441)
OKLCH	oklch(28.93% 0.144 268.2)
XYZ	xyz(3.6085, 2.1325, 15.8410)
Luminance	0.0213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101C71 #716510

analogous

#104D71 #101C71 #341071

triadic

#101C71 #71101C #1C7110

tetradic

#101C71 #71104D #716510 #107134

square

#101C71 #71104D #716510 #107134

split-complementary

#101C71 #713410 #4D7110

monochromatic

#04071B #080F3B #101C71 #1829A7 #1F37DC

Accessibility & contrast

On white

14.72

#101C71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#101C71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101C71

14.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101C71	#FFFFFF	#000000	##FFFFFF
##101C71	1.00	14.72	1.43	14.72
#FFFFFF	14.72	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D74

Deuteranopia (green-blind)

#00236F

Tritanopia (blue-blind)

#003444

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #101c71;
/* rgb */ color: rgb(16, 28, 113);
/* oklch */ color: oklch(28.9% 0.144 268.2);

Tailwind

colors: {
  custom: {
    50: '#63589b',
    500: '#101c71',
    950: '#000000',
  },
}

SCSS

$custom: #101c71;
$custom-light: #63589b;
$custom-dark: #000000;

JSON

{
  "hex": "#101c71",
  "rgb": {
    "r": 16,
    "g": 28,
    "b": 113
  },
  "hsl": {
    "h": 232.577,
    "s": 75.194,
    "l": 25.294
  },
  "oklch": {
    "l": 0.28934,
    "c": 0.14418,
    "h": 268.2
  },
  "luminance": 0.02133
}

Semantic roles & 50–950 ramp

primary

#101C71

secondary

#A99A34

accent

#DB36F2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #101C71

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

Preview Lab → · Contrast checker → · Palette generator →