#191D66#191D66

#191D66 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.4% C 0.125 H 272.8°. Best body text is #FFFFFF at 14.90:1 contrast (WCAG AA passes).

Color values

HEX	#191D66
RGB	rgb(25, 29, 102)
HSL	hsl(237, 61%, 25%)
HSV	hsv(237, 75%, 40%)
CMYK	cmyk(75.5%, 71.6%, 0%, 60%)
CIE-LAB	lab(15.72, 25.36, -43.27)
CIE-LCH	lch(15.72, 50.15, 300.38°)
OKLab	oklab(28.39% 0.0061 -0.1251)
OKLCH	oklch(28.39% 0.125 272.8)
XYZ	xyz(3.2377, 2.0444, 12.7918)
Luminance	0.0204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D66 #666219

analogous

#194466 #191D66 #3B1966

triadic

#191D66 #66191D #1D6619

tetradic

#191D66 #661944 #666219 #19663B

square

#191D66 #661944 #666219 #19663B

split-complementary

#191D66 #663B19 #446619

monochromatic

#060719 #0D0F35 #191D66 #252B97 #3139C8

Accessibility & contrast

On white

14.90

#191D66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#191D66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D66

14.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D66	#FFFFFF	#000000	##FFFFFF
##191D66	1.00	14.90	1.41	14.90
#FFFFFF	14.90	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B68

Deuteranopia (green-blind)

#002465

Tritanopia (blue-blind)

#00313E

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #191d66;
/* rgb */ color: rgb(25, 29, 102);
/* oklch */ color: oklch(28.4% 0.125 272.8);

Tailwind

colors: {
  custom: {
    50: '#635992',
    500: '#191d66',
    950: '#000000',
  },
}

SCSS

$custom: #191d66;
$custom-light: #635992;
$custom-dark: #000000;

JSON

{
  "hex": "#191d66",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 102
  },
  "hsl": {
    "h": 236.883,
    "s": 60.63,
    "l": 24.902
  },
  "oklch": {
    "l": 0.28386,
    "c": 0.12522,
    "h": 272.8
  },
  "luminance": 0.02045
}

Semantic roles & 50–950 ramp

primary

#191D66

secondary

#9C973F

accent

#DB44E4

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #191D66

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

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