#191B7C#191B7C

#191B7C is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.5% C 0.157 H 271.3°. Best body text is #FFFFFF at 14.10:1 contrast (WCAG AA passes).

Color values

HEX	#191B7C
RGB	rgb(25, 27, 124)
HSL	hsl(239, 66%, 29%)
HSV	hsv(239, 80%, 49%)
CMYK	cmyk(79.8%, 78.2%, 0%, 51.4%)
CIE-LAB	lab(17.67, 34.81, -54.30)
CIE-LCH	lch(17.67, 64.50, 302.66°)
OKLab	oklab(30.51% 0.0037 -0.1572)
OKLCH	oklch(30.51% 0.157 271.3)
XYZ	xyz(4.4297, 2.4453, 19.3034)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191B7C #7C7A19

analogous

#194D7C #191B7C #49197C

triadic

#191B7C #7C191B #1B7C19

tetradic

#191B7C #7C194D #7C7A19 #197C49

square

#191B7C #7C194D #7C7A19 #197C49

split-complementary

#191B7C #7C4919 #4D7C19

monochromatic

#050619 #0F1049 #191B7C #2326AF #383CD7

Accessibility & contrast

On white

14.10

#191B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#191B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191B7C

14.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191B7C	#FFFFFF	#000000	##FFFFFF
##191B7C	1.00	14.10	1.49	14.10
#FFFFFF	14.10	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307F

Deuteranopia (green-blind)

#00267A

Tritanopia (blue-blind)

#00384A

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #191b7c;
/* rgb */ color: rgb(25, 27, 124);
/* oklch */ color: oklch(30.5% 0.157 271.3);

Tailwind

colors: {
  custom: {
    50: '#6959a3',
    500: '#191b7c',
    950: '#000000',
  },
}

SCSS

$custom: #191b7c;
$custom-light: #6959a3;
$custom-dark: #000000;

JSON

{
  "hex": "#191b7c",
  "rgb": {
    "r": 25,
    "g": 27,
    "b": 124
  },
  "hsl": {
    "h": 238.788,
    "s": 66.443,
    "l": 29.216
  },
  "oklch": {
    "l": 0.30505,
    "c": 0.15726,
    "h": 271.3
  },
  "luminance": 0.02446
}

Semantic roles & 50–950 ramp

primary

#191B7C

secondary

#B0AE40

accent

#E63EE9

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #191B7C

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

Preview Lab → · Contrast checker → · Palette generator →