#191D43#191D43

#191D43 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.1% C 0.071 H 275.5°. Best body text is #FFFFFF at 16.18:1 contrast (WCAG AA passes).

Color values

HEX	#191D43
RGB	rgb(25, 29, 67)
HSL	hsl(234, 46%, 18%)
HSV	hsv(234, 63%, 26%)
CMYK	cmyk(62.7%, 56.7%, 0%, 73.7%)
CIE-LAB	lab(12.55, 11.52, -24.71)
CIE-LCH	lch(12.55, 27.26, 295.00°)
OKLab	oklab(25.06% 0.0068 -0.0706)
OKLCH	oklch(25.06% 0.071 275.5)
XYZ	xyz(1.8531, 1.4905, 5.4992)
Luminance	0.0149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D43 #433F19

analogous

#193243 #191D43 #2A1943

triadic

#191D43 #43191D #1D4319

tetradic

#191D43 #431932 #433F19 #19432A

square

#191D43 #431932 #433F19 #19432A

split-complementary

#191D43 #432A19 #324319

monochromatic

#080A16 #080A16 #191D43 #2A3070 #3A449C

Accessibility & contrast

On white

16.18

#191D43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#191D43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D43

16.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D43	#FFFFFF	#000000	##FFFFFF
##191D43	1.00	16.18	1.30	16.18
#FFFFFF	16.18	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A2244

Deuteranopia (green-blind)

#041F42

Tritanopia (blue-blind)

#04262C

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #191d43;
/* rgb */ color: rgb(25, 29, 67);
/* oklch */ color: oklch(25.1% 0.071 275.5);

Tailwind

colors: {
  custom: {
    50: '#5a5877',
    500: '#191d43',
    950: '#000000',
  },
}

SCSS

$custom: #191d43;
$custom-light: #5a5877;
$custom-dark: #000000;

JSON

{
  "hex": "#191d43",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 67
  },
  "hsl": {
    "h": 234.286,
    "s": 45.652,
    "l": 18.039
  },
  "oklch": {
    "l": 0.25055,
    "c": 0.0709,
    "h": 275.5
  },
  "luminance": 0.01491
}

Semantic roles & 50–950 ramp

primary

#191D43

secondary

#79743F

accent

#C952D5

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #191D43

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

Preview Lab → · Contrast checker → · Palette generator →