#101D71#101D71

#101D71 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.1% C 0.143 H 268.0°. Best body text is #FFFFFF at 14.62:1 contrast (WCAG AA passes).

Color values

HEX	#101D71
RGB	rgb(16, 29, 113)
HSL	hsl(232, 75%, 25%)
HSV	hsv(232, 86%, 44%)
CMYK	cmyk(85.8%, 74.3%, 0%, 55.7%)
CIE-LAB	lab(16.41, 28.73, -49.33)
CIE-LCH	lch(16.41, 57.09, 300.22°)
OKLab	oklab(29.11% -0.005 -0.143)
OKLCH	oklch(29.11% 0.143 268)
XYZ	xyz(3.6327, 2.1807, 15.8490)
Luminance	0.0218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101D71 #716410

analogous

#104D71 #101D71 #341071

triadic

#101D71 #71101D #1D7110

tetradic

#101D71 #71104D #716410 #107134

square

#101D71 #71104D #716410 #107134

split-complementary

#101D71 #713410 #4D7110

monochromatic

#04071B #080F3B #101D71 #182BA7 #1F39DC

Accessibility & contrast

On white

14.62

#101D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#101D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101D71

14.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101D71	#FFFFFF	#000000	##FFFFFF
##101D71	1.00	14.62	1.44	14.62
#FFFFFF	14.62	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D74

Deuteranopia (green-blind)

#00246F

Tritanopia (blue-blind)

#003545

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #101d71;
/* rgb */ color: rgb(16, 29, 113);
/* oklch */ color: oklch(29.1% 0.143 268.0);

Tailwind

colors: {
  custom: {
    50: '#63599b',
    500: '#101d71',
    950: '#000000',
  },
}

SCSS

$custom: #101d71;
$custom-light: #63599b;
$custom-dark: #000000;

JSON

{
  "hex": "#101d71",
  "rgb": {
    "r": 16,
    "g": 29,
    "b": 113
  },
  "hsl": {
    "h": 231.959,
    "s": 75.194,
    "l": 25.294
  },
  "oklch": {
    "l": 0.29107,
    "c": 0.14305,
    "h": 268
  },
  "luminance": 0.02181
}

Semantic roles & 50–950 ramp

primary

#101D71

secondary

#A99934

accent

#D936F2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #101D71

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

Preview Lab → · Contrast checker → · Palette generator →