#191788#191788

#191788 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.4% C 0.176 H 270.8°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#191788
RGB	rgb(25, 23, 136)
HSL	hsl(241, 71%, 31%)
HSV	hsv(241, 83%, 53%)
CMYK	cmyk(81.6%, 83.1%, 0%, 46.7%)
CIE-LAB	lab(18.35, 41.14, -60.77)
CIE-LCH	lch(18.35, 73.39, 304.10°)
OKLab	oklab(31.41% 0.0025 -0.1759)
OKLCH	oklch(31.41% 0.176 270.8)
XYZ	xyz(5.1497, 2.5965, 23.5175)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191788 #868817

analogous

#174D88 #191788 #511788

triadic

#191788 #881917 #178819

tetradic

#191788 #88174D #868817 #178851

square

#191788 #88174D #868817 #178851

split-complementary

#191788 #885117 #4D8817

monochromatic

#06051F #0F0E54 #191788 #2320BC #3E3BDE

Accessibility & contrast

On white

13.82

#191788 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#191788 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191788

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191788	#FFFFFF	#000000	##FFFFFF
##191788	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328B

Deuteranopia (green-blind)

#002786

Tritanopia (blue-blind)

#003B50

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #191788;
/* rgb */ color: rgb(25, 23, 136);
/* oklch */ color: oklch(31.4% 0.176 270.8);

Tailwind

colors: {
  custom: {
    50: '#6d57ac',
    500: '#191788',
    950: '#000000',
  },
}

SCSS

$custom: #191788;
$custom-light: #6d57ac;
$custom-dark: #000000;

JSON

{
  "hex": "#191788",
  "rgb": {
    "r": 25,
    "g": 23,
    "b": 136
  },
  "hsl": {
    "h": 241.062,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.31405,
    "c": 0.17595,
    "h": 270.8
  },
  "luminance": 0.02597
}

Semantic roles & 50–950 ramp

primary

#191788

secondary

#BABC3F

accent

#EE3AEB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #191788

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

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