#191C73#191C73

#191C73 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.6% C 0.144 H 271.9°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#191C73
RGB	rgb(25, 28, 115)
HSL	hsl(238, 64%, 27%)
HSV	hsv(238, 78%, 45%)
CMYK	cmyk(78.3%, 75.7%, 0%, 54.9%)
CIE-LAB	lab(16.87, 30.93, -49.85)
CIE-LCH	lch(16.87, 58.67, 301.82°)
OKLab	oklab(29.63% 0.0049 -0.1443)
OKLCH	oklch(29.63% 0.144 271.9)
XYZ	xyz(3.9096, 2.2746, 16.4493)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C73 #737019

analogous

#194973 #191C73 #431973

triadic

#191C73 #73191C #1C7319

tetradic

#191C73 #731949 #737019 #197343

square

#191C73 #731949 #737019 #197343

split-complementary

#191C73 #734319 #497319

monochromatic

#050619 #0E1041 #191C73 #2428A5 #3439D3

Accessibility & contrast

On white

14.43

#191C73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#191C73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C73

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C73	#FFFFFF	#000000	##FFFFFF
##191C73	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E76

Deuteranopia (green-blind)

#002571

Tritanopia (blue-blind)

#003545

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #191c73;
/* rgb */ color: rgb(25, 28, 115);
/* oklch */ color: oklch(29.6% 0.144 271.9);

Tailwind

colors: {
  custom: {
    50: '#66599c',
    500: '#191c73',
    950: '#000000',
  },
}

SCSS

$custom: #191c73;
$custom-light: #66599c;
$custom-dark: #000000;

JSON

{
  "hex": "#191c73",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 115
  },
  "hsl": {
    "h": 238,
    "s": 64.286,
    "l": 27.451
  },
  "oklch": {
    "l": 0.29631,
    "c": 0.14436,
    "h": 271.9
  },
  "luminance": 0.02275
}

Semantic roles & 50–950 ramp

primary

#191C73

secondary

#A8A540

accent

#E241E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #191C73

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

Preview Lab → · Contrast checker → · Palette generator →