#191D9C#191D9C

#191D9C is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.6% C 0.195 H 269.1°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#191D9C
RGB	rgb(25, 29, 156)
HSL	hsl(238, 72%, 35%)
HSV	hsv(238, 84%, 61%)
CMYK	cmyk(84%, 81.4%, 0%, 38.8%)
CIE-LAB	lab(21.89, 44.65, -67.31)
CIE-LCH	lch(21.89, 80.77, 303.56°)
OKLab	oklab(34.59% -0.0031 -0.195)
OKLCH	oklch(34.59% 0.195 269.1)
XYZ	xyz(6.8390, 3.4849, 31.7582)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D9C #9C9819

analogous

#195E9C #191D9C #56199C

triadic

#191D9C #9C191D #1D9C19

tetradic

#191D9C #9C195E #9C9819 #199C56

square

#191D9C #9C195E #9C9819 #199C56

split-complementary

#191D9C #9C5619 #5E9C19

monochromatic

#080933 #111367 #191D9C #2127D1 #4D52E2

Accessibility & contrast

On white

12.37

#191D9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#191D9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D9C

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D9C	#FFFFFF	#000000	##FFFFFF
##191D9C	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9F

Deuteranopia (green-blind)

#002D9A

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #191d9c;
/* rgb */ color: rgb(25, 29, 156);
/* oklch */ color: oklch(34.6% 0.195 269.1);

Tailwind

colors: {
  custom: {
    50: '#725cbb',
    500: '#191d9c',
    950: '#000000',
  },
}

SCSS

$custom: #191d9c;
$custom-light: #725cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#191d9c",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 156
  },
  "hsl": {
    "h": 238.168,
    "s": 72.376,
    "l": 35.49
  },
  "oklch": {
    "l": 0.34586,
    "c": 0.19497,
    "h": 269.1
  },
  "luminance": 0.03486
}

Semantic roles & 50–950 ramp

primary

#191D9C

secondary

#C4C14C

accent

#EA39EF

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #191D9C

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

Preview Lab → · Contrast checker → · Palette generator →