#191F79#191F79

#191F79 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.8% C 0.149 H 270.9°. Best body text is #FFFFFF at 13.88:1 contrast (WCAG AA passes).

Color values

HEX	#191F79
RGB	rgb(25, 31, 121)
HSL	hsl(236, 66%, 29%)
HSV	hsv(236, 79%, 47%)
CMYK	cmyk(79.3%, 74.4%, 0%, 52.5%)
CIE-LAB	lab(18.22, 31.24, -51.48)
CIE-LCH	lch(18.22, 60.22, 301.25°)
OKLab	oklab(30.8% 0.0024 -0.149)
OKLCH	oklch(30.8% 0.149 270.9)
XYZ	xyz(4.3409, 2.5666, 18.3521)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F79 #797319

analogous

#194F79 #191F79 #431979

triadic

#191F79 #79191F #1F7919

tetradic

#191F79 #79194F #797319 #197943

square

#191F79 #79194F #797319 #197943

split-complementary

#191F79 #794319 #4F7919

monochromatic

#050619 #0F1246 #191F79 #232CAC #3741D6

Accessibility & contrast

On white

13.88

#191F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#191F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F79

13.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F79	#FFFFFF	#000000	##FFFFFF
##191F79	1.00	13.88	1.51	13.88
#FFFFFF	13.88	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317C

Deuteranopia (green-blind)

#002877

Tritanopia (blue-blind)

#00384A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #191f79;
/* rgb */ color: rgb(25, 31, 121);
/* oklch */ color: oklch(30.8% 0.149 270.9);

Tailwind

colors: {
  custom: {
    50: '#685ba1',
    500: '#191f79',
    950: '#000000',
  },
}

SCSS

$custom: #191f79;
$custom-light: #685ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#191f79",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 121
  },
  "hsl": {
    "h": 236.25,
    "s": 65.753,
    "l": 28.627
  },
  "oklch": {
    "l": 0.30795,
    "c": 0.14906,
    "h": 270.9
  },
  "luminance": 0.02567
}

Semantic roles & 50–950 ramp

primary

#191F79

secondary

#AEA740

accent

#DE3FE9

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #191F79

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

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