#191D42#191D42

#191D42 is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 25.0% C 0.069 H 275.6°. Best body text is #FFFFFF at 16.21:1 contrast (WCAG AA passes).

Color values

HEX	#191D42
RGB	rgb(25, 29, 66)
HSL	hsl(234, 45%, 18%)
HSV	hsv(234, 62%, 26%)
CMYK	cmyk(62.1%, 56.1%, 0%, 74.1%)
CIE-LAB	lab(12.47, 11.13, -24.13)
CIE-LCH	lch(12.47, 26.57, 294.75°)
OKLab	oklab(24.97% 0.0067 -0.0689)
OKLCH	oklch(24.97% 0.069 275.6)
XYZ	xyz(1.8233, 1.4786, 5.3425)
Luminance	0.0148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D42 #423E19

analogous

#193142 #191D42 #291942

triadic

#191D42 #42191D #1D4219

tetradic

#191D42 #421931 #423E19 #194229

square

#191D42 #421931 #423E19 #194229

split-complementary

#191D42 #422919 #314219

monochromatic

#080A16 #080A16 #191D42 #2A316E #3B449B

Accessibility & contrast

On white

16.21

#191D42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#191D42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D42

16.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D42	#FFFFFF	#000000	##FFFFFF
##191D42	1.00	16.21	1.30	16.21
#FFFFFF	16.21	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B2243

Deuteranopia (green-blind)

#061F41

Tritanopia (blue-blind)

#05252C

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #191d42;
/* rgb */ color: rgb(25, 29, 66);
/* oklch */ color: oklch(25.0% 0.069 275.6);

Tailwind

colors: {
  custom: {
    50: '#5a5877',
    500: '#191d42',
    950: '#000000',
  },
}

SCSS

$custom: #191d42;
$custom-light: #5a5877;
$custom-dark: #000000;

JSON

{
  "hex": "#191d42",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 66
  },
  "hsl": {
    "h": 234.146,
    "s": 45.055,
    "l": 17.843
  },
  "oklch": {
    "l": 0.24973,
    "c": 0.06921,
    "h": 275.6
  },
  "luminance": 0.01479
}

Semantic roles & 50–950 ramp

primary

#191D42

secondary

#78733F

accent

#C853D5

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040308

muted

#79787B

Preview Lab

Preview with #191D42

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

Preview Lab → · Contrast checker → · Palette generator →