#1C559F#1C559F

#1C559F is a mid, vivid cyan. Relative luminance 0.092; OKLCH L 45.5% C 0.134 H 256.7°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#1C559F
RGB	rgb(28, 85, 159)
HSL	hsl(214, 70%, 37%)
HSV	hsv(214, 82%, 62%)
CMYK	cmyk(82.4%, 46.5%, 0%, 37.6%)
CIE-LAB	lab(36.45, 9.82, -45.32)
CIE-LCH	lch(36.45, 46.37, 282.22°)
OKLab	oklab(45.5% -0.0306 -0.1301)
OKLCH	oklch(45.5% 0.134 256.7)
XYZ	xyz(9.9831, 9.2459, 34.0526)
Luminance	0.0925 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C559F #9F661C

analogous

#1C979F #1C559F #251C9F

triadic

#1C559F #9F1C55 #559F1C

tetradic

#1C559F #9F1C97 #9F661C #1C9F25

square

#1C559F #9F1C97 #9F661C #1C9F25

split-complementary

#1C559F #9F251C #979F1C

monochromatic

#0A1D37 #13396B #1C559F #2571D3 #5492E1

Accessibility & contrast

On white

7.37

#1C559F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#1C559F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C559F

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C559F	#FFFFFF	#000000	##FFFFFF
##1C559F	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5CA2

Deuteranopia (green-blind)

#0B509E

Tritanopia (blue-blind)

#006772

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1c559f;
/* rgb */ color: rgb(28, 85, 159);
/* oklch */ color: oklch(45.5% 0.134 256.7);

Tailwind

colors: {
  custom: {
    50: '#6f84bc',
    500: '#1c559f',
    950: '#000000',
  },
}

SCSS

$custom: #1c559f;
$custom-light: #6f84bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1c559f",
  "rgb": {
    "r": 28,
    "g": 85,
    "b": 159
  },
  "hsl": {
    "h": 213.893,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.45497,
    "c": 0.13368,
    "h": 256.7
  },
  "luminance": 0.09247
}

Semantic roles & 50–950 ramp

primary

#1C559F

secondary

#C49353

accent

#9F3BED

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1C559F

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

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