#191C81#191C81

#191C81 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.2% C 0.163 H 270.8°. Best body text is #FFFFFF at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#191C81
RGB	rgb(25, 28, 129)
HSL	hsl(238, 68%, 30%)
HSV	hsv(238, 81%, 51%)
CMYK	cmyk(80.6%, 78.3%, 0%, 49.4%)
CIE-LAB	lab(18.46, 35.99, -56.17)
CIE-LCH	lch(18.46, 66.71, 302.65°)
OKLab	oklab(31.24% 0.0024 -0.1627)
OKLCH	oklch(31.24% 0.163 270.8)
XYZ	xyz(4.7773, 2.6216, 21.0189)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C81 #817E19

analogous

#195081 #191C81 #4A1981

triadic

#191C81 #81191C #1C8119

tetradic

#191C81 #811950 #817E19 #19814A

square

#191C81 #811950 #817E19 #19814A

split-complementary

#191C81 #814A19 #508119

monochromatic

#05061A #0F114E #191C81 #2327B4 #3B40D9

Accessibility & contrast

On white

13.78

#191C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#191C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C81

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C81	#FFFFFF	#000000	##FFFFFF
##191C81	1.00	13.78	1.52	13.78
#FFFFFF	13.78	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003284

Deuteranopia (green-blind)

#00287F

Tritanopia (blue-blind)

#003A4D

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #191c81;
/* rgb */ color: rgb(25, 28, 129);
/* oklch */ color: oklch(31.2% 0.163 270.8);

Tailwind

colors: {
  custom: {
    50: '#6a5aa7',
    500: '#191c81',
    950: '#000000',
  },
}

SCSS

$custom: #191c81;
$custom-light: #6a5aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#191c81",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 129
  },
  "hsl": {
    "h": 238.269,
    "s": 67.532,
    "l": 30.196
  },
  "oklch": {
    "l": 0.31236,
    "c": 0.16269,
    "h": 270.8
  },
  "luminance": 0.02622
}

Semantic roles & 50–950 ramp

primary

#191C81

secondary

#B5B241

accent

#E53DEA

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080410

muted

#7A797F

Preview Lab

Preview with #191C81

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

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