#191C43#191C43

#191C43 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.8% C 0.073 H 276.4°. Best body text is #FFFFFF at 16.30:1 contrast (WCAG AA passes).

Color values

HEX	#191C43
RGB	rgb(25, 28, 67)
HSL	hsl(236, 46%, 18%)
HSV	hsv(236, 63%, 26%)
CMYK	cmyk(62.7%, 58.2%, 0%, 73.7%)
CIE-LAB	lab(12.24, 12.28, -25.21)
CIE-LCH	lch(12.24, 28.04, 295.97°)
OKLab	oklab(24.82% 0.0081 -0.0721)
OKLCH	oklch(24.82% 0.073 276.4)
XYZ	xyz(1.8290, 1.4423, 5.4911)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C43 #434019

analogous

#193143 #191C43 #2B1943

triadic

#191C43 #43191C #1C4319

tetradic

#191C43 #431931 #434019 #19432B

square

#191C43 #431931 #434019 #19432B

split-complementary

#191C43 #432B19 #314319

monochromatic

#080916 #080916 #191C43 #2A2F70 #3A419C

Accessibility & contrast

On white

16.30

#191C43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#191C43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C43

16.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C43	#FFFFFF	#000000	##FFFFFF
##191C43	1.00	16.30	1.29	16.30
#FFFFFF	16.30	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#072244

Deuteranopia (green-blind)

#031E42

Tritanopia (blue-blind)

#04252C

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #191c43;
/* rgb */ color: rgb(25, 28, 67);
/* oklch */ color: oklch(24.8% 0.073 276.4);

Tailwind

colors: {
  custom: {
    50: '#5a5777',
    500: '#191c43',
    950: '#000000',
  },
}

SCSS

$custom: #191c43;
$custom-light: #5a5777;
$custom-dark: #000000;

JSON

{
  "hex": "#191c43",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 67
  },
  "hsl": {
    "h": 235.714,
    "s": 45.652,
    "l": 18.039
  },
  "oklch": {
    "l": 0.2482,
    "c": 0.07252,
    "h": 276.4
  },
  "luminance": 0.01442
}

Semantic roles & 50–950 ramp

primary

#191C43

secondary

#79753F

accent

#CC52D5

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #191C43

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

Preview Lab → · Contrast checker → · Palette generator →