#1C568B#1C568B

#1C568B is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.4% C 0.105 H 249.9°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#1C568B
RGB	rgb(28, 86, 139)
HSL	hsl(209, 66%, 33%)
HSV	hsv(209, 80%, 55%)
CMYK	cmyk(79.9%, 38.1%, 0%, 45.5%)
CIE-LAB	lab(35.53, 1.18, -34.70)
CIE-LCH	lch(35.53, 34.72, 271.95°)
OKLab	oklab(44.38% -0.0361 -0.0989)
OKLCH	oklch(44.38% 0.105 249.9)
XYZ	xyz(8.4651, 8.7655, 25.6669)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C568B #8B511C

analogous

#1C8B89 #1C568B #1C1E8B

triadic

#1C568B #8B1C56 #568B1C

tetradic

#1C568B #891C8B #8B511C #1E8B1C

square

#1C568B #891C8B #8B511C #1E8B1C

split-complementary

#1C568B #8B1C1E #8B891C

monochromatic

#071725 #123658 #1C568B #2676BE #4794DA

Accessibility & contrast

On white

7.63

#1C568B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#1C568B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C568B

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C568B	#FFFFFF	#000000	##FFFFFF
##1C568B	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D598D

Deuteranopia (green-blind)

#2C4F8A

Tritanopia (blue-blind)

#00636A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1c568b;
/* rgb */ color: rgb(28, 86, 139);
/* oklch */ color: oklch(44.4% 0.105 249.9);

Tailwind

colors: {
  custom: {
    50: '#6a85ad',
    500: '#1c568b',
    950: '#000000',
  },
}

SCSS

$custom: #1c568b;
$custom-light: #6a85ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c568b",
  "rgb": {
    "r": 28,
    "g": 86,
    "b": 139
  },
  "hsl": {
    "h": 208.649,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.4438,
    "c": 0.10531,
    "h": 249.9
  },
  "luminance": 0.08767
}

Semantic roles & 50–950 ramp

primary

#1C568B

secondary

#BC7F47

accent

#903EE9

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1C568B

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

Preview Lab → · Contrast checker → · Palette generator →