#19557B#19557B

#19557B is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.1% C 0.087 H 241.3°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#19557B
RGB	rgb(25, 85, 123)
HSL	hsl(203, 66%, 29%)
HSV	hsv(203, 80%, 48%)
CMYK	cmyk(79.7%, 30.9%, 0%, 51.8%)
CIE-LAB	lab(34.26, -4.84, -26.89)
CIE-LCH	lch(34.26, 27.33, 259.79°)
OKLab	oklab(43.07% -0.0417 -0.0761)
OKLCH	oklch(43.07% 0.087 241.3)
XYZ	xyz(7.2232, 8.1329, 19.9242)
Luminance	0.0813 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19557B #7B3F19

analogous

#197B70 #19557B #19247B

triadic

#19557B #7B1955 #557B19

tetradic

#19557B #70197B #7B3F19 #247B19

square

#19557B #70197B #7B3F19 #247B19

split-complementary

#19557B #7B1924 #7B7019

monochromatic

#051219 #0F3248 #19557B #2378AE #3899D7

Accessibility & contrast

On white

7.99

#19557B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#19557B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19557B

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19557B	#FFFFFF	#000000	##FFFFFF
##19557B	1.00	7.99	2.63	7.99
#FFFFFF	7.99	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43567D

Deuteranopia (green-blind)

#364C7A

Tritanopia (blue-blind)

#005E62

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #19557b;
/* rgb */ color: rgb(25, 85, 123);
/* oklch */ color: oklch(43.1% 0.087 241.3);

Tailwind

colors: {
  custom: {
    50: '#6684a1',
    500: '#19557b',
    950: '#000000',
  },
}

SCSS

$custom: #19557b;
$custom-light: #6684a1;
$custom-dark: #000000;

JSON

{
  "hex": "#19557b",
  "rgb": {
    "r": 25,
    "g": 85,
    "b": 123
  },
  "hsl": {
    "h": 203.265,
    "s": 66.216,
    "l": 29.02
  },
  "oklch": {
    "l": 0.43071,
    "c": 0.08683,
    "h": 241.3
  },
  "luminance": 0.08134
}

Semantic roles & 50–950 ramp

primary

#19557B

secondary

#AF6B40

accent

#813FE9

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#070B0F

muted

#7A7C7E

Preview Lab

Preview with #19557B

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

Preview Lab → · Contrast checker → · Palette generator →