#191B72#191B72

#191B72 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.4% C 0.144 H 272.2°. Best body text is #FFFFFF at 14.57:1 contrast (WCAG AA passes).

Color values

HEX	#191B72
RGB	rgb(25, 27, 114)
HSL	hsl(239, 64%, 27%)
HSV	hsv(239, 78%, 45%)
CMYK	cmyk(78.1%, 76.3%, 0%, 55.3%)
CIE-LAB	lab(16.53, 31.20, -49.76)
CIE-LCH	lch(16.53, 58.73, 302.08°)
OKLab	oklab(29.36% 0.0055 -0.144)
OKLCH	oklch(29.36% 0.144 272.2)
XYZ	xyz(3.8291, 2.2050, 16.1401)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191B72 #727019

analogous

#194772 #191B72 #441972

triadic

#191B72 #72191B #1B7219

tetradic

#191B72 #721947 #727019 #197244

square

#191B72 #721947 #727019 #197244

split-complementary

#191B72 #724419 #477219

monochromatic

#060619 #0E0F40 #191B72 #2427A4 #3337D2

Accessibility & contrast

On white

14.57

#191B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#191B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191B72

14.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191B72	#FFFFFF	#000000	##FFFFFF
##191B72	1.00	14.57	1.44	14.57
#FFFFFF	14.57	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D75

Deuteranopia (green-blind)

#002570

Tritanopia (blue-blind)

#003445

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #191b72;
/* rgb */ color: rgb(25, 27, 114);
/* oklch */ color: oklch(29.4% 0.144 272.2);

Tailwind

colors: {
  custom: {
    50: '#66589c',
    500: '#191b72',
    950: '#000000',
  },
}

SCSS

$custom: #191b72;
$custom-light: #66589c;
$custom-dark: #000000;

JSON

{
  "hex": "#191b72",
  "rgb": {
    "r": 25,
    "g": 27,
    "b": 114
  },
  "hsl": {
    "h": 238.652,
    "s": 64.029,
    "l": 27.255
  },
  "oklch": {
    "l": 0.29357,
    "c": 0.14413,
    "h": 272.2
  },
  "luminance": 0.02205
}

Semantic roles & 50–950 ramp

primary

#191B72

secondary

#A7A540

accent

#E341E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #191B72

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

Preview Lab → · Contrast checker → · Palette generator →