#191D9E#191D9E

#191D9E is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.8% C 0.197 H 269.0°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#191D9E
RGB	rgb(25, 29, 158)
HSL	hsl(238, 73%, 36%)
HSV	hsv(238, 84%, 62%)
CMYK	cmyk(84.2%, 81.6%, 0%, 38%)
CIE-LAB	lab(22.14, 45.30, -68.13)
CIE-LCH	lch(22.14, 81.81, 303.62°)
OKLab	oklab(34.83% -0.0035 -0.1973)
OKLCH	oklch(34.83% 0.197 269)
XYZ	xyz(7.0097, 3.5532, 32.6575)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D9E #9E9A19

analogous

#19609E #191D9E #57199E

triadic

#191D9E #9E191D #1D9E19

tetradic

#191D9E #9E1960 #9E9A19 #199E57

square

#191D9E #9E1960 #9E9A19 #199E57

split-complementary

#191D9E #9E5719 #609E19

monochromatic

#080A34 #111369 #191D9E #2127D3 #4E53E3

Accessibility & contrast

On white

12.27

#191D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#191D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D9E

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D9E	#FFFFFF	#000000	##FFFFFF
##191D9E	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA2

Deuteranopia (green-blind)

#002E9C

Tritanopia (blue-blind)

#00465E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #191d9e;
/* rgb */ color: rgb(25, 29, 158);
/* oklch */ color: oklch(34.8% 0.197 269.0);

Tailwind

colors: {
  custom: {
    50: '#725cbc',
    500: '#191d9e',
    950: '#000000',
  },
}

SCSS

$custom: #191d9e;
$custom-light: #725cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#191d9e",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 158
  },
  "hsl": {
    "h": 238.195,
    "s": 72.678,
    "l": 35.882
  },
  "oklch": {
    "l": 0.34829,
    "c": 0.19734,
    "h": 269
  },
  "luminance": 0.03554
}

Semantic roles & 50–950 ramp

primary

#191D9E

secondary

#C5C24E

accent

#EA38EF

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #191D9E

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

Preview Lab → · Contrast checker → · Palette generator →