#19183D#19183D

#19183D is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.4% C 0.069 H 280.9°. Best body text is #FFFFFF at 16.94:1 contrast (WCAG AA passes).

Color values

HEX	#19183D
RGB	rgb(25, 24, 61)
HSL	hsl(242, 44%, 17%)
HSV	hsv(242, 61%, 24%)
CMYK	cmyk(59%, 60.7%, 0%, 76.1%)
CIE-LAB	lab(10.53, 12.96, -23.72)
CIE-LCH	lch(10.53, 27.03, 298.65°)
OKLab	oklab(23.39% 0.013 -0.0677)
OKLCH	oklch(23.39% 0.069 280.9)
XYZ	xyz(1.5696, 1.1968, 4.5623)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19183D #3C3D18

analogous

#182A3D #19183D #2C183D

triadic

#19183D #3D1918 #183D19

tetradic

#19183D #3D182A #3C3D18 #183D2C

square

#19183D #3D182A #3C3D18 #183D2C

split-complementary

#19183D #3D2C18 #2A3D18

monochromatic

#090916 #090916 #19183D #2B2969 #3D3B95

Accessibility & contrast

On white

16.94

#19183D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#19183D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19183D

16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19183D	#FFFFFF	#000000	##FFFFFF
##19183D	1.00	16.94	1.24	16.94
#FFFFFF	16.94	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#051E3E

Deuteranopia (green-blind)

#031B3C

Tritanopia (blue-blind)

#0A2027

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #19183d;
/* rgb */ color: rgb(25, 24, 61);
/* oklch */ color: oklch(23.4% 0.069 280.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#19183d",
  "rgb": {
    "r": 25,
    "g": 24,
    "b": 61
  },
  "hsl": {
    "h": 241.622,
    "s": 43.529,
    "l": 16.667
  },
  "oklch": {
    "l": 0.23391,
    "c": 0.06894,
    "h": 280.9
  },
  "luminance": 0.01197
}

Semantic roles & 50–950 ramp

primary

#19183D

secondary

#72733D

accent

#D355D0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040208

muted

#79787B

Preview Lab

Preview with #19183D

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

Preview Lab → · Contrast checker → · Palette generator →