#19578F#19578F

#19578F is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.8% C 0.110 H 250.1°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#19578F
RGB	rgb(25, 87, 143)
HSL	hsl(208, 70%, 33%)
HSV	hsv(208, 83%, 56%)
CMYK	cmyk(82.5%, 39.2%, 0%, 43.9%)
CIE-LAB	lab(35.99, 1.78, -36.40)
CIE-LCH	lch(35.99, 36.45, 272.80°)
OKLab	oklab(44.8% -0.0376 -0.1039)
OKLCH	oklch(44.8% 0.11 250.1)
XYZ	xyz(8.7651, 9.0052, 27.2575)
Luminance	0.0901 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19578F #8F5119

analogous

#198F8C #19578F #191C8F

triadic

#19578F #8F1957 #578F19

tetradic

#19578F #8C198F #8F5119 #1C8F19

square

#19578F #8C198F #8F5119 #1C8F19

split-complementary

#19578F #8F191C #8F8C19

monochromatic

#071827 #10375B #19578F #2277C3 #4495DE

Accessibility & contrast

On white

7.50

#19578F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#19578F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19578F

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19578F	#FFFFFF	#000000	##FFFFFF
##19578F	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C5A91

Deuteranopia (green-blind)

#2A508E

Tritanopia (blue-blind)

#00646C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #19578f;
/* rgb */ color: rgb(25, 87, 143);
/* oklch */ color: oklch(44.8% 0.110 250.1);

Tailwind

colors: {
  custom: {
    50: '#6a86b0',
    500: '#19578f',
    950: '#000000',
  },
}

SCSS

$custom: #19578f;
$custom-light: #6a86b0;
$custom-dark: #000000;

JSON

{
  "hex": "#19578f",
  "rgb": {
    "r": 25,
    "g": 87,
    "b": 143
  },
  "hsl": {
    "h": 208.475,
    "s": 70.238,
    "l": 32.941
  },
  "oklch": {
    "l": 0.44798,
    "c": 0.11049,
    "h": 250.1
  },
  "luminance": 0.09006
}

Semantic roles & 50–950 ramp

primary

#19578F

secondary

#BF7F44

accent

#8F3BED

background

#F6F8FA

surface

#ECEFF5

border

#C7CACF

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #19578F

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

Preview Lab → · Contrast checker → · Palette generator →