#191DB0#191DB0

#191DB0 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 37.0% C 0.218 H 268.2°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#191DB0
RGB	rgb(25, 29, 176)
HSL	hsl(238, 75%, 39%)
HSV	hsv(238, 86%, 69%)
CMYK	cmyk(85.8%, 83.5%, 0%, 31%)
CIE-LAB	lab(24.38, 51.05, -75.29)
CIE-LCH	lch(24.38, 90.97, 304.14°)
OKLab	oklab(37.03% -0.0069 -0.218)
OKLCH	oklch(37.03% 0.218 268.2)
XYZ	xyz(8.6741, 4.2189, 41.4230)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191DB0 #B0AC19

analogous

#1968B0 #191DB0 #6119B0

triadic

#191DB0 #B0191D #1DB019

tetradic

#191DB0 #B01968 #B0AC19 #19B061

square

#191DB0 #B01968 #B0AC19 #19B061

split-complementary

#191DB0 #B06119 #68B019

monochromatic

#0A0B45 #11147A #191DB0 #262BE0 #5C5FE8

Accessibility & contrast

On white

11.39

#191DB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#191DB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191DB0

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191DB0	#FFFFFF	#000000	##FFFFFF
##191DB0	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B4

Deuteranopia (green-blind)

#0032AE

Tritanopia (blue-blind)

#004D69

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #191db0;
/* rgb */ color: rgb(25, 29, 176);
/* oklch */ color: oklch(37.0% 0.218 268.2);

Tailwind

colors: {
  custom: {
    50: '#775ec9',
    500: '#191db0',
    950: '#000000',
  },
}

SCSS

$custom: #191db0;
$custom-light: #775ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#191db0",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 176
  },
  "hsl": {
    "h": 238.411,
    "s": 75.124,
    "l": 39.412
  },
  "oklch": {
    "l": 0.37031,
    "c": 0.21814,
    "h": 268.2
  },
  "luminance": 0.0422
}

Semantic roles & 50–950 ramp

primary

#191DB0

secondary

#CCC859

accent

#ED36F2

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #191DB0

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

Preview Lab → · Contrast checker → · Palette generator →