#1C548A#1C548A

#1C548A is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.8% C 0.106 H 251.0°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#1C548A
RGB	rgb(28, 84, 138)
HSL	hsl(209, 66%, 33%)
HSV	hsv(209, 80%, 54%)
CMYK	cmyk(79.7%, 39.1%, 0%, 45.9%)
CIE-LAB	lab(34.85, 2.08, -35.18)
CIE-LCH	lch(34.85, 35.24, 273.39°)
OKLab	oklab(43.83% -0.0345 -0.1003)
OKLCH	oklch(43.83% 0.106 251)
XYZ	xyz(8.2349, 8.4215, 25.2313)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C548A #8A521C

analogous

#1C8A89 #1C548A #1C1D8A

triadic

#1C548A #8A1C54 #548A1C

tetradic

#1C548A #891C8A #8A521C #1D8A1C

square

#1C548A #891C8A #8A521C #1D8A1C

split-complementary

#1C548A #8A1C1D #8A891C

monochromatic

#071624 #123557 #1C548A #2673BD #4792DA

Accessibility & contrast

On white

7.82

#1C548A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#1C548A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C548A

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C548A	#FFFFFF	#000000	##FFFFFF
##1C548A	1.00	7.82	2.68	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A578C

Deuteranopia (green-blind)

#294D89

Tritanopia (blue-blind)

#006168

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1c548a;
/* rgb */ color: rgb(28, 84, 138);
/* oklch */ color: oklch(43.8% 0.106 251.0);

Tailwind

colors: {
  custom: {
    50: '#6a83ac',
    500: '#1c548a',
    950: '#000000',
  },
}

SCSS

$custom: #1c548a;
$custom-light: #6a83ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1c548a",
  "rgb": {
    "r": 28,
    "g": 84,
    "b": 138
  },
  "hsl": {
    "h": 209.455,
    "s": 66.265,
    "l": 32.549
  },
  "oklch": {
    "l": 0.43826,
    "c": 0.10612,
    "h": 251
  },
  "luminance": 0.08423
}

Semantic roles & 50–950 ramp

primary

#1C548A

secondary

#BB8046

accent

#923FE9

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1C548A

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

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