#19233B#19233B

#19233B is a dark, muted blue. Relative luminance 0.017; OKLCH L 26.0% C 0.048 H 266.0°. Best body text is #FFFFFF at 15.61:1 contrast (WCAG AA passes).

Color values

HEX	#19233B
RGB	rgb(25, 35, 59)
HSL	hsl(222, 40%, 16%)
HSV	hsv(222, 58%, 23%)
CMYK	cmyk(57.6%, 40.7%, 0%, 76.9%)
CIE-LAB	lab(13.97, 3.88, -16.83)
CIE-LCH	lch(13.97, 17.27, 282.98°)
OKLab	oklab(25.97% -0.0033 -0.0474)
OKLCH	oklch(25.97% 0.048 266)
XYZ	xyz(1.7911, 1.7244, 4.3753)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19233B #3B3119

analogous

#19343B #19233B #20193B

triadic

#19233B #3B1923 #233B19

tetradic

#19233B #3B1934 #3B3119 #193B20

square

#19233B #3B1934 #3B3119 #193B20

split-complementary

#19233B #3B2019 #343B19

monochromatic

#090D15 #090D15 #19233B #2B3D66 #3D5691

Accessibility & contrast

On white

15.61

#19233B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#19233B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19233B

15.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19233B	#FFFFFF	#000000	##FFFFFF
##19233B	1.00	15.61	1.35	15.61
#FFFFFF	15.61	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A253C

Deuteranopia (green-blind)

#16223A

Tritanopia (blue-blind)

#0A282C

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #19233b;
/* rgb */ color: rgb(25, 35, 59);
/* oklch */ color: oklch(26.0% 0.048 266.0);

Tailwind

colors: {
  custom: {
    50: '#585d71',
    500: '#19233b',
    950: '#000000',
  },
}

SCSS

$custom: #19233b;
$custom-light: #585d71;
$custom-dark: #000000;

JSON

{
  "hex": "#19233b",
  "rgb": {
    "r": 25,
    "g": 35,
    "b": 59
  },
  "hsl": {
    "h": 222.353,
    "s": 40.476,
    "l": 16.471
  },
  "oklch": {
    "l": 0.25965,
    "c": 0.04757,
    "h": 266
  },
  "luminance": 0.01725
}

Semantic roles & 50–950 ramp

primary

#19233B

secondary

#71623F

accent

#AD57D0

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #19233B

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

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