#191F78#191F78

#191F78 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.7% C 0.148 H 271.0°. Best body text is #FFFFFF at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#191F78
RGB	rgb(25, 31, 120)
HSL	hsl(236, 66%, 28%)
HSV	hsv(236, 79%, 47%)
CMYK	cmyk(79.2%, 74.2%, 0%, 52.9%)
CIE-LAB	lab(18.11, 30.86, -51.02)
CIE-LCH	lch(18.11, 59.63, 301.17°)
OKLab	oklab(30.69% 0.0025 -0.1477)
OKLCH	oklch(30.69% 0.148 271)
XYZ	xyz(4.2799, 2.5422, 18.0308)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F78 #787219

analogous

#194E78 #191F78 #421978

triadic

#191F78 #78191F #1F7819

tetradic

#191F78 #78194E #787219 #197842

square

#191F78 #78194E #787219 #197842

split-complementary

#191F78 #784219 #4E7819

monochromatic

#050719 #0E1245 #191F78 #242CAB #3640D5

Accessibility & contrast

On white

13.92

#191F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#191F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F78

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F78	#FFFFFF	#000000	##FFFFFF
##191F78	1.00	13.92	1.51	13.92
#FFFFFF	13.92	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317B

Deuteranopia (green-blind)

#002876

Tritanopia (blue-blind)

#003849

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #191f78;
/* rgb */ color: rgb(25, 31, 120);
/* oklch */ color: oklch(30.7% 0.148 271.0);

Tailwind

colors: {
  custom: {
    50: '#675ba0',
    500: '#191f78',
    950: '#000000',
  },
}

SCSS

$custom: #191f78;
$custom-light: #675ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#191f78",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 120
  },
  "hsl": {
    "h": 236.211,
    "s": 65.517,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30685,
    "c": 0.14772,
    "h": 271
  },
  "luminance": 0.02543
}

Semantic roles & 50–950 ramp

primary

#191F78

secondary

#ADA640

accent

#DE3FE8

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #191F78

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

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