#191E78#191E78

#191E78 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.5% C 0.149 H 271.2°. Best body text is #FFFFFF at 14.02:1 contrast (WCAG AA passes).

Color values

HEX	#191E78
RGB	rgb(25, 30, 120)
HSL	hsl(237, 66%, 28%)
HSV	hsv(237, 79%, 47%)
CMYK	cmyk(79.2%, 75%, 0%, 52.9%)
CIE-LAB	lab(17.88, 31.51, -51.40)
CIE-LCH	lch(17.88, 60.29, 301.50°)
OKLab	oklab(30.52% 0.003 -0.1488)
OKLCH	oklch(30.52% 0.149 271.2)
XYZ	xyz(4.2542, 2.4908, 18.0222)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191E78 #787319

analogous

#194D78 #191E78 #431978

triadic

#191E78 #78191E #1E7819

tetradic

#191E78 #78194D #787319 #197843

square

#191E78 #78194D #787319 #197843

split-complementary

#191E78 #784319 #4D7819

monochromatic

#050619 #0E1145 #191E78 #242BAB #363FD5

Accessibility & contrast

On white

14.02

#191E78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#191E78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191E78

14.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191E78	#FFFFFF	#000000	##FFFFFF
##191E78	1.00	14.02	1.50	14.02
#FFFFFF	14.02	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307B

Deuteranopia (green-blind)

#002776

Tritanopia (blue-blind)

#003849

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #191e78;
/* rgb */ color: rgb(25, 30, 120);
/* oklch */ color: oklch(30.5% 0.149 271.2);

Tailwind

colors: {
  custom: {
    50: '#685aa0',
    500: '#191e78',
    950: '#000000',
  },
}

SCSS

$custom: #191e78;
$custom-light: #685aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#191e78",
  "rgb": {
    "r": 25,
    "g": 30,
    "b": 120
  },
  "hsl": {
    "h": 236.842,
    "s": 65.517,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30519,
    "c": 0.14884,
    "h": 271.2
  },
  "luminance": 0.02491
}

Semantic roles & 50–950 ramp

primary

#191E78

secondary

#ADA740

accent

#E03FE8

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #191E78

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

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