#19183E#19183E

#19183E is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.5% C 0.071 H 280.6°. Best body text is #FFFFFF at 16.91:1 contrast (WCAG AA passes).

Color values

HEX	#19183E
RGB	rgb(25, 24, 62)
HSL	hsl(242, 44%, 17%)
HSV	hsv(242, 61%, 24%)
CMYK	cmyk(59.7%, 61.3%, 0%, 75.7%)
CIE-LAB	lab(10.61, 13.35, -24.30)
CIE-LCH	lch(10.61, 27.72, 298.78°)
OKLab	oklab(23.48% 0.0131 -0.0694)
OKLCH	oklch(23.48% 0.071 280.6)
XYZ	xyz(1.5968, 1.2076, 4.7055)
Luminance	0.0121 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19183E #3D3E18

analogous

#182A3E #19183E #2C183E

triadic

#19183E #3E1918 #183E19

tetradic

#19183E #3E182A #3D3E18 #183E2C

square

#19183E #3E182A #3D3E18 #183E2C

split-complementary

#19183E #3E2C18 #2A3E18

monochromatic

#090916 #090916 #19183E #2B296A #3D3A96

Accessibility & contrast

On white

16.91

#19183E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#19183E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19183E

16.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19183E	#FFFFFF	#000000	##FFFFFF
##19183E	1.00	16.91	1.24	16.91
#FFFFFF	16.91	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041E3F

Deuteranopia (green-blind)

#011B3D

Tritanopia (blue-blind)

#0A2128

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #19183e;
/* rgb */ color: rgb(25, 24, 62);
/* oklch */ color: oklch(23.5% 0.071 280.6);

Tailwind

colors: {
  custom: {
    50: '#595473',
    500: '#19183e',
    950: '#000000',
  },
}

SCSS

$custom: #19183e;
$custom-light: #595473;
$custom-dark: #000000;

JSON

{
  "hex": "#19183e",
  "rgb": {
    "r": 25,
    "g": 24,
    "b": 62
  },
  "hsl": {
    "h": 241.579,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.23477,
    "c": 0.07064,
    "h": 280.6
  },
  "luminance": 0.01208
}

Semantic roles & 50–950 ramp

primary

#19183E

secondary

#73743D

accent

#D454D1

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040208

muted

#79787B

Preview Lab

Preview with #19183E

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

Preview Lab → · Contrast checker → · Palette generator →