#19173D#19173D

#19173D is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.2% C 0.071 H 281.7°. Best body text is #FFFFFF at 17.06:1 contrast (WCAG AA passes).

Color values

HEX	#19173D
RGB	rgb(25, 23, 61)
HSL	hsl(243, 45%, 16%)
HSV	hsv(243, 62%, 24%)
CMYK	cmyk(59%, 62.3%, 0%, 76.1%)
CIE-LAB	lab(10.23, 13.71, -24.21)
CIE-LCH	lch(10.23, 27.82, 299.53°)
OKLab	oklab(23.17% 0.0144 -0.0692)
OKLCH	oklch(23.17% 0.071 281.7)
XYZ	xyz(1.5493, 1.1563, 4.5555)
Luminance	0.0116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19173D #3B3D17

analogous

#17283D #19173D #2C173D

triadic

#19173D #3D1917 #173D19

tetradic

#19173D #3D1728 #3B3D17 #173D2C

square

#19173D #3D1728 #3B3D17 #173D2C

split-complementary

#19173D #3D2C17 #283D17

monochromatic

#090816 #090816 #19173D #2B2869 #3D3996

Accessibility & contrast

On white

17.06

#19173D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#19173D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19173D

17.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19173D	#FFFFFF	#000000	##FFFFFF
##19173D	1.00	17.06	1.23	17.06
#FFFFFF	17.06	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031D3E

Deuteranopia (green-blind)

#011B3C

Tritanopia (blue-blind)

#0B2027

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #19173d;
/* rgb */ color: rgb(25, 23, 61);
/* oklch */ color: oklch(23.2% 0.071 281.7);

Tailwind

colors: {
  custom: {
    50: '#595373',
    500: '#19173d',
    950: '#000000',
  },
}

SCSS

$custom: #19173d;
$custom-light: #595373;
$custom-dark: #000000;

JSON

{
  "hex": "#19173d",
  "rgb": {
    "r": 25,
    "g": 23,
    "b": 61
  },
  "hsl": {
    "h": 243.158,
    "s": 45.238,
    "l": 16.471
  },
  "oklch": {
    "l": 0.23165,
    "c": 0.07064,
    "h": 281.7
  },
  "luminance": 0.01156
}

Semantic roles & 50–950 ramp

primary

#19173D

secondary

#71743C

accent

#D553CE

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040208

muted

#79787B

Preview Lab

Preview with #19173D

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

Preview Lab → · Contrast checker → · Palette generator →