#191F5C#191F5C

#191F5C is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.8% C 0.108 H 272.8°. Best body text is #FFFFFF at 15.09:1 contrast (WCAG AA passes).

Color values

HEX	#191F5C
RGB	rgb(25, 31, 92)
HSL	hsl(235, 57%, 23%)
HSV	hsv(235, 73%, 36%)
CMYK	cmyk(72.8%, 66.3%, 0%, 63.9%)
CIE-LAB	lab(15.27, 20.04, -37.37)
CIE-LCH	lch(15.27, 42.40, 298.20°)
OKLab	oklab(27.76% 0.0053 -0.1078)
OKLCH	oklch(27.76% 0.108 272.8)
XYZ	xyz(2.8220, 1.9591, 10.3526)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F5C #5C5619

analogous

#19405C #191F5C #34195C

triadic

#191F5C #5C191F #1F5C19

tetradic

#191F5C #5C1940 #5C5619 #195C34

square

#191F5C #5C1940 #5C5619 #195C34

split-complementary

#191F5C #5C3419 #405C19

monochromatic

#070818 #0C0F2C #191F5C #262F8C #333FBC

Accessibility & contrast

On white

15.09

#191F5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#191F5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F5C

15.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F5C	#FFFFFF	#000000	##FFFFFF
##191F5C	1.00	15.09	1.39	15.09
#FFFFFF	15.09	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295E

Deuteranopia (green-blind)

#00235B

Tritanopia (blue-blind)

#002E3A

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #191f5c;
/* rgb */ color: rgb(25, 31, 92);
/* oklch */ color: oklch(27.8% 0.108 272.8);

Tailwind

colors: {
  custom: {
    50: '#605a8b',
    500: '#191f5c',
    950: '#000000',
  },
}

SCSS

$custom: #191f5c;
$custom-light: #605a8b;
$custom-dark: #000000;

JSON

{
  "hex": "#191f5c",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 92
  },
  "hsl": {
    "h": 234.627,
    "s": 57.265,
    "l": 22.941
  },
  "oklch": {
    "l": 0.27758,
    "c": 0.1079,
    "h": 272.8
  },
  "luminance": 0.01959
}

Semantic roles & 50–950 ramp

primary

#191F5C

secondary

#928B3F

accent

#D347E1

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #191F5C

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

Preview Lab → · Contrast checker → · Palette generator →