#19193B#19193B

#19193B is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.5% C 0.064 H 280.3°. Best body text is #FFFFFF at 16.89:1 contrast (WCAG AA passes).

Color values

HEX	#19193B
RGB	rgb(25, 25, 59)
HSL	hsl(240, 40%, 16%)
HSV	hsv(240, 58%, 23%)
CMYK	cmyk(57.6%, 57.6%, 0%, 76.9%)
CIE-LAB	lab(10.69, 11.43, -22.05)
CIE-LCH	lch(10.69, 24.83, 297.40°)
OKLab	oklab(23.46% 0.0114 -0.0628)
OKLCH	oklch(23.46% 0.064 280.3)
XYZ	xyz(1.5377, 1.2176, 4.2908)
Luminance	0.0122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19193B #3B3B19

analogous

#192A3B #19193B #2A193B

triadic

#19193B #3B1919 #193B19

tetradic

#19193B #3B192A #3B3B19 #193B2A

square

#19193B #3B192A #3B3B19 #193B2A

split-complementary

#19193B #3B2A19 #2A3B19

monochromatic

#090915 #090915 #19193B #2B2B66 #3D3D91

Accessibility & contrast

On white

16.89

#19193B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#19193B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19193B

16.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19193B	#FFFFFF	#000000	##FFFFFF
##19193B	1.00	16.89	1.24	16.89
#FFFFFF	16.89	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#091E3C

Deuteranopia (green-blind)

#061C3A

Tritanopia (blue-blind)

#0C2027

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #19193b;
/* rgb */ color: rgb(25, 25, 59);
/* oklch */ color: oklch(23.5% 0.064 280.3);

Tailwind

colors: {
  custom: {
    50: '#595571',
    500: '#19193b',
    950: '#000000',
  },
}

SCSS

$custom: #19193b;
$custom-light: #595571;
$custom-dark: #000000;

JSON

{
  "hex": "#19193b",
  "rgb": {
    "r": 25,
    "g": 25,
    "b": 59
  },
  "hsl": {
    "h": 240,
    "s": 40.476,
    "l": 16.471
  },
  "oklch": {
    "l": 0.23456,
    "c": 0.06383,
    "h": 280.3
  },
  "luminance": 0.01218
}

Semantic roles & 50–950 ramp

primary

#19193B

secondary

#71713F

accent

#D057D0

background

#F5F4F6

surface

#E9E8EC

border

#C5C4C7

text

#030307

muted

#78787A

Preview Lab

Preview with #19193B

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

Preview Lab → · Contrast checker → · Palette generator →