#19243B#19243B

#19243B is a dark, muted blue. Relative luminance 0.018; OKLCH L 26.2% C 0.046 H 264.0°. Best body text is #FFFFFF at 15.48:1 contrast (WCAG AA passes).

Color values

HEX	#19243B
RGB	rgb(25, 36, 59)
HSL	hsl(221, 40%, 16%)
HSV	hsv(221, 58%, 23%)
CMYK	cmyk(57.6%, 39%, 0%, 76.9%)
CIE-LAB	lab(14.31, 3.14, -16.30)
CIE-LCH	lch(14.31, 16.59, 280.90°)
OKLab	oklab(26.23% -0.0048 -0.0459)
OKLCH	oklch(26.23% 0.046 264)
XYZ	xyz(1.8209, 1.7841, 4.3852)
Luminance	0.0178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19243B #3B3019

analogous

#19353B #19243B #1F193B

triadic

#19243B #3B1924 #243B19

tetradic

#19243B #3B1935 #3B3019 #193B1F

square

#19243B #3B1935 #3B3019 #193B1F

split-complementary

#19243B #3B1F19 #353B19

monochromatic

#090D15 #090D15 #19243B #2B3E66 #3D5891

Accessibility & contrast

On white

15.48

#19243B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#19243B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19243B

15.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19243B	#FFFFFF	#000000	##FFFFFF
##19243B	1.00	15.48	1.36	15.48
#FFFFFF	15.48	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B263C

Deuteranopia (green-blind)

#17233A

Tritanopia (blue-blind)

#0A292C

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #19243b;
/* rgb */ color: rgb(25, 36, 59);
/* oklch */ color: oklch(26.2% 0.046 264.0);

Tailwind

colors: {
  custom: {
    50: '#585e71',
    500: '#19243b',
    950: '#000000',
  },
}

SCSS

$custom: #19243b;
$custom-light: #585e71;
$custom-dark: #000000;

JSON

{
  "hex": "#19243b",
  "rgb": {
    "r": 25,
    "g": 36,
    "b": 59
  },
  "hsl": {
    "h": 220.588,
    "s": 40.476,
    "l": 16.471
  },
  "oklch": {
    "l": 0.2623,
    "c": 0.04613,
    "h": 264
  },
  "luminance": 0.01784
}

Semantic roles & 50–950 ramp

primary

#19243B

secondary

#71613F

accent

#A957D0

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #19243B

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

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