#191C66#191C66

#191C66 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.2% C 0.126 H 273.1°. Best body text is #FFFFFF at 15.01:1 contrast (WCAG AA passes).

Color values

HEX	#191C66
RGB	rgb(25, 28, 102)
HSL	hsl(238, 61%, 25%)
HSV	hsv(238, 75%, 40%)
CMYK	cmyk(75.5%, 72.5%, 0%, 60%)
CIE-LAB	lab(15.47, 26.04, -43.68)
CIE-LCH	lch(15.47, 50.85, 300.81°)
OKLab	oklab(28.2% 0.0068 -0.1263)
OKLCH	oklch(28.2% 0.126 273.1)
XYZ	xyz(3.2136, 1.9962, 12.7837)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C66 #666319

analogous

#194366 #191C66 #3C1966

triadic

#191C66 #66191C #1C6619

tetradic

#191C66 #661943 #666319 #19663C

square

#191C66 #661943 #666319 #19663C

split-complementary

#191C66 #663C19 #436619

monochromatic

#060719 #0D0F35 #191C66 #252997 #3137C8

Accessibility & contrast

On white

15.01

#191C66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#191C66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C66

15.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C66	#FFFFFF	#000000	##FFFFFF
##191C66	1.00	15.01	1.40	15.01
#FFFFFF	15.01	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A68

Deuteranopia (green-blind)

#002365

Tritanopia (blue-blind)

#00303E

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #191c66;
/* rgb */ color: rgb(25, 28, 102);
/* oklch */ color: oklch(28.2% 0.126 273.1);

Tailwind

colors: {
  custom: {
    50: '#635892',
    500: '#191c66',
    950: '#000000',
  },
}

SCSS

$custom: #191c66;
$custom-light: #635892;
$custom-dark: #000000;

JSON

{
  "hex": "#191c66",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 102
  },
  "hsl": {
    "h": 237.662,
    "s": 60.63,
    "l": 24.902
  },
  "oklch": {
    "l": 0.28204,
    "c": 0.12646,
    "h": 273.1
  },
  "luminance": 0.01996
}

Semantic roles & 50–950 ramp

primary

#191C66

secondary

#9C983F

accent

#DE44E4

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #191C66

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

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