#191F88#191F88

#191F88 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.5% C 0.169 H 270.0°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#191F88
RGB	rgb(25, 31, 136)
HSL	hsl(237, 69%, 32%)
HSV	hsv(237, 82%, 53%)
CMYK	cmyk(81.6%, 77.2%, 0%, 46.7%)
CIE-LAB	lab(19.90, 36.69, -58.21)
CIE-LCH	lch(19.90, 68.81, 302.22°)
OKLab	oklab(32.49% 0 -0.1686)
OKLCH	oklch(32.49% 0.169 270)
XYZ	xyz(5.3333, 2.9636, 23.5787)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F88 #888219

analogous

#195788 #191F88 #4B1988

triadic

#191F88 #88191F #1F8819

tetradic

#191F88 #881957 #888219 #19884B

square

#191F88 #881957 #888219 #19884B

split-complementary

#191F88 #884B19 #578819

monochromatic

#060721 #0F1354 #191F88 #232BBC #4048DC

Accessibility & contrast

On white

13.18

#191F88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#191F88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F88

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F88	#FFFFFF	#000000	##FFFFFF
##191F88	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368B

Deuteranopia (green-blind)

#002A86

Tritanopia (blue-blind)

#003E52

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #191f88;
/* rgb */ color: rgb(25, 31, 136);
/* oklch */ color: oklch(32.5% 0.169 270.0);

Tailwind

colors: {
  custom: {
    50: '#6c5cac',
    500: '#191f88',
    950: '#000000',
  },
}

SCSS

$custom: #191f88;
$custom-light: #6c5cac;
$custom-dark: #000000;

JSON

{
  "hex": "#191f88",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 136
  },
  "hsl": {
    "h": 236.757,
    "s": 68.944,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32492,
    "c": 0.16861,
    "h": 270
  },
  "luminance": 0.02964
}

Semantic roles & 50–950 ramp

primary

#191F88

secondary

#BBB541

accent

#E23CEC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #191F88

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

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