#19537B#19537B

#19537B is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.6% C 0.089 H 243.4°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#19537B
RGB	rgb(25, 83, 123)
HSL	hsl(204, 66%, 29%)
HSV	hsv(204, 80%, 48%)
CMYK	cmyk(79.7%, 32.5%, 0%, 51.8%)
CIE-LAB	lab(33.61, -3.58, -27.91)
CIE-LCH	lch(33.61, 28.14, 262.69°)
OKLab	oklab(42.56% -0.0397 -0.0791)
OKLCH	oklch(42.56% 0.089 243.4)
XYZ	xyz(7.0679, 7.8224, 19.8724)
Luminance	0.0782 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19537B #7B4119

analogous

#197B72 #19537B #19227B

triadic

#19537B #7B1953 #537B19

tetradic

#19537B #72197B #7B4119 #227B19

square

#19537B #72197B #7B4119 #227B19

split-complementary

#19537B #7B1922 #7B7219

monochromatic

#051119 #0F3148 #19537B #2375AE #3896D7

Accessibility & contrast

On white

8.19

#19537B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#19537B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19537B

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19537B	#FFFFFF	#000000	##FFFFFF
##19537B	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40547D

Deuteranopia (green-blind)

#334B7A

Tritanopia (blue-blind)

#005D61

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #19537b;
/* rgb */ color: rgb(25, 83, 123);
/* oklch */ color: oklch(42.6% 0.089 243.4);

Tailwind

colors: {
  custom: {
    50: '#6683a1',
    500: '#19537b',
    950: '#000000',
  },
}

SCSS

$custom: #19537b;
$custom-light: #6683a1;
$custom-dark: #000000;

JSON

{
  "hex": "#19537b",
  "rgb": {
    "r": 25,
    "g": 83,
    "b": 123
  },
  "hsl": {
    "h": 204.49,
    "s": 66.216,
    "l": 29.02
  },
  "oklch": {
    "l": 0.42558,
    "c": 0.08854,
    "h": 243.4
  },
  "luminance": 0.07823
}

Semantic roles & 50–950 ramp

primary

#19537B

secondary

#AF6E40

accent

#843FE9

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0F

muted

#7A7C7E

Preview Lab

Preview with #19537B

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

Preview Lab → · Contrast checker → · Palette generator →