#191C78#191C78

#191C78 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.2% C 0.151 H 271.5°. Best body text is #FFFFFF at 14.20:1 contrast (WCAG AA passes).

Color values

HEX	#191C78
RGB	rgb(25, 28, 120)
HSL	hsl(238, 66%, 28%)
HSV	hsv(238, 79%, 47%)
CMYK	cmyk(79.2%, 76.7%, 0%, 52.9%)
CIE-LAB	lab(17.43, 32.76, -52.15)
CIE-LCH	lch(17.43, 61.58, 302.14°)
OKLab	oklab(30.2% 0.004 -0.151)
OKLCH	oklch(30.2% 0.151 271.5)
XYZ	xyz(4.2052, 2.3928, 18.0059)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C78 #787519

analogous

#194B78 #191C78 #451978

triadic

#191C78 #78191C #1C7819

tetradic

#191C78 #78194B #787519 #197845

square

#191C78 #78194B #787519 #197845

split-complementary

#191C78 #784519 #4B7819

monochromatic

#050619 #0E1045 #191C78 #2428AB #363BD5

Accessibility & contrast

On white

14.20

#191C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#191C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C78

14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C78	#FFFFFF	#000000	##FFFFFF
##191C78	1.00	14.20	1.48	14.20
#FFFFFF	14.20	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7B

Deuteranopia (green-blind)

#002676

Tritanopia (blue-blind)

#003748

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #191c78;
/* rgb */ color: rgb(25, 28, 120);
/* oklch */ color: oklch(30.2% 0.151 271.5);

Tailwind

colors: {
  custom: {
    50: '#6859a0',
    500: '#191c78',
    950: '#000000',
  },
}

SCSS

$custom: #191c78;
$custom-light: #6859a0;
$custom-dark: #000000;

JSON

{
  "hex": "#191c78",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 120
  },
  "hsl": {
    "h": 238.105,
    "s": 65.517,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30197,
    "c": 0.15101,
    "h": 271.5
  },
  "luminance": 0.02393
}

Semantic roles & 50–950 ramp

primary

#191C78

secondary

#ADA940

accent

#E33FE8

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07030F

muted

#7A787F

Preview Lab

Preview with #191C78

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

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