#191F9C#191F9C

#191F9C is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.8% C 0.193 H 269.0°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#191F9C
RGB	rgb(25, 31, 156)
HSL	hsl(237, 72%, 35%)
HSV	hsv(237, 84%, 61%)
CMYK	cmyk(84%, 80.1%, 0%, 38.8%)
CIE-LAB	lab(22.25, 43.59, -66.71)
CIE-LCH	lch(22.25, 79.69, 303.16°)
OKLab	oklab(34.84% -0.0035 -0.1932)
OKLCH	oklch(34.84% 0.193 269)
XYZ	xyz(6.8896, 3.5861, 31.7751)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F9C #9C9619

analogous

#19609C #191F9C #54199C

triadic

#191F9C #9C191F #1F9C19

tetradic

#191F9C #9C1960 #9C9619 #199C54

square

#191F9C #9C1960 #9C9619 #199C54

split-complementary

#191F9C #9C5419 #609C19

monochromatic

#080A33 #111567 #191F9C #2129D1 #4D54E2

Accessibility & contrast

On white

12.23

#191F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#191F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F9C

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F9C	#FFFFFF	#000000	##FFFFFF
##191F9C	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9F

Deuteranopia (green-blind)

#002E9A

Tritanopia (blue-blind)

#00465D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #191f9c;
/* rgb */ color: rgb(25, 31, 156);
/* oklch */ color: oklch(34.8% 0.193 269.0);

Tailwind

colors: {
  custom: {
    50: '#715dbb',
    500: '#191f9c',
    950: '#000000',
  },
}

SCSS

$custom: #191f9c;
$custom-light: #715dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#191f9c",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 156
  },
  "hsl": {
    "h": 237.252,
    "s": 72.376,
    "l": 35.49
  },
  "oklch": {
    "l": 0.34841,
    "c": 0.19327,
    "h": 269
  },
  "luminance": 0.03587
}

Semantic roles & 50–950 ramp

primary

#191F9C

secondary

#C4BF4C

accent

#E739EF

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090412

muted

#7B7981

Preview Lab

Preview with #191F9C

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

Preview Lab → · Contrast checker → · Palette generator →