#191E81#191E81

#191E81 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.161 H 270.6°. Best body text is #FFFFFF at 13.60:1 contrast (WCAG AA passes).

Color values

HEX	#191E81
RGB	rgb(25, 30, 129)
HSL	hsl(237, 68%, 30%)
HSV	hsv(237, 81%, 51%)
CMYK	cmyk(80.6%, 76.7%, 0%, 49.4%)
CIE-LAB	lab(18.88, 34.79, -55.47)
CIE-LCH	lch(18.88, 65.48, 302.09°)
OKLab	oklab(31.54% 0.0016 -0.1606)
OKLCH	oklch(31.54% 0.161 270.6)
XYZ	xyz(4.8263, 2.7197, 21.0352)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191E81 #817C19

analogous

#195281 #191E81 #481981

triadic

#191E81 #81191E #1E8119

tetradic

#191E81 #811952 #817C19 #198148

square

#191E81 #811952 #817C19 #198148

split-complementary

#191E81 #814819 #528119

monochromatic

#05061A #0F124E #191E81 #232AB4 #3B43D9

Accessibility & contrast

On white

13.60

#191E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#191E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191E81

13.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191E81	#FFFFFF	#000000	##FFFFFF
##191E81	1.00	13.60	1.54	13.60
#FFFFFF	13.60	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003384

Deuteranopia (green-blind)

#00297F

Tritanopia (blue-blind)

#003B4E

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #191e81;
/* rgb */ color: rgb(25, 30, 129);
/* oklch */ color: oklch(31.5% 0.161 270.6);

Tailwind

colors: {
  custom: {
    50: '#6a5ba7',
    500: '#191e81',
    950: '#000000',
  },
}

SCSS

$custom: #191e81;
$custom-light: #6a5ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#191e81",
  "rgb": {
    "r": 25,
    "g": 30,
    "b": 129
  },
  "hsl": {
    "h": 237.115,
    "s": 67.532,
    "l": 30.196
  },
  "oklch": {
    "l": 0.31537,
    "c": 0.16066,
    "h": 270.6
  },
  "luminance": 0.0272
}

Semantic roles & 50–950 ramp

primary

#191E81

secondary

#B5AF41

accent

#E23DEA

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080410

muted

#7A797F

Preview Lab

Preview with #191E81

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

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