#19578B#19578B

#19578B is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.5% C 0.105 H 248.4°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#19578B
RGB	rgb(25, 87, 139)
HSL	hsl(207, 70%, 32%)
HSV	hsv(207, 82%, 55%)
CMYK	cmyk(82%, 37.4%, 0%, 45.5%)
CIE-LAB	lab(35.76, 0.19, -34.34)
CIE-LCH	lch(35.76, 34.34, 270.32°)
OKLab	oklab(44.54% -0.0387 -0.0979)
OKLCH	oklch(44.54% 0.105 248.4)
XYZ	xyz(8.4675, 8.8861, 25.6900)
Luminance	0.0889 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19578B #8B4D19

analogous

#198B86 #19578B #191E8B

triadic

#19578B #8B1957 #578B19

tetradic

#19578B #86198B #8B4D19 #1E8B19

square

#19578B #86198B #8B4D19 #1E8B19

split-complementary

#19578B #8B191E #8B8619

monochromatic

#061623 #103757 #19578B #2277BF #4196DD

Accessibility & contrast

On white

7.56

#19578B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#19578B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19578B

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19578B	#FFFFFF	#000000	##FFFFFF
##19578B	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E5A8D

Deuteranopia (green-blind)

#2D4F8A

Tritanopia (blue-blind)

#00636A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #19578b;
/* rgb */ color: rgb(25, 87, 139);
/* oklch */ color: oklch(44.5% 0.105 248.4);

Tailwind

colors: {
  custom: {
    50: '#6986ad',
    500: '#19578b',
    950: '#000000',
  },
}

SCSS

$custom: #19578b;
$custom-light: #6986ad;
$custom-dark: #000000;

JSON

{
  "hex": "#19578b",
  "rgb": {
    "r": 25,
    "g": 87,
    "b": 139
  },
  "hsl": {
    "h": 207.368,
    "s": 69.512,
    "l": 32.157
  },
  "oklch": {
    "l": 0.44542,
    "c": 0.10521,
    "h": 248.4
  },
  "luminance": 0.08887
}

Semantic roles & 50–950 ramp

primary

#19578B

secondary

#BE7A42

accent

#8C3BEC

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #19578B

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

Preview Lab → · Contrast checker → · Palette generator →