#191AB4#191AB4

#191AB4 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 37.2% C 0.225 H 268.1°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#191AB4
RGB	rgb(25, 26, 180)
HSL	hsl(240, 76%, 40%)
HSV	hsv(240, 86%, 71%)
CMYK	cmyk(86.1%, 85.6%, 0%, 29.4%)
CIE-LAB	lab(24.45, 53.60, -77.58)
CIE-LCH	lch(24.45, 94.29, 304.64°)
OKLab	oklab(37.22% -0.0073 -0.2246)
OKLCH	oklch(37.22% 0.225 268.1)
XYZ	xyz(9.0057, 4.2396, 43.5148)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191AB4 #B4B319

analogous

#1967B4 #191AB4 #6619B4

triadic

#191AB4 #B4191A #1AB419

tetradic

#191AB4 #B41967 #B4B319 #19B466

square

#191AB4 #B41967 #B4B319 #19B466

split-complementary

#191AB4 #B46619 #67B419

monochromatic

#0A0A49 #12127E #191AB4 #292AE1 #5F60E9

Accessibility & contrast

On white

11.36

#191AB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#191AB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191AB4

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191AB4	#FFFFFF	#000000	##FFFFFF
##191AB4	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B8

Deuteranopia (green-blind)

#0032B2

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #191ab4;
/* rgb */ color: rgb(25, 26, 180);
/* oklch */ color: oklch(37.2% 0.225 268.1);

Tailwind

colors: {
  custom: {
    50: '#785ccc',
    500: '#191ab4',
    950: '#000000',
  },
}

SCSS

$custom: #191ab4;
$custom-light: #785ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#191ab4",
  "rgb": {
    "r": 25,
    "g": 26,
    "b": 180
  },
  "hsl": {
    "h": 239.613,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.37221,
    "c": 0.22469,
    "h": 268.1
  },
  "luminance": 0.04241
}

Semantic roles & 50–950 ramp

primary

#191AB4

secondary

#CDCC5C

accent

#F136F2

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0414

muted

#7C7982

Preview Lab

Preview with #191AB4

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

Preview Lab → · Contrast checker → · Palette generator →