#1C81A0#1C81A0

#1C81A0 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.3% C 0.098 H 224.2°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#1C81A0
RGB	rgb(28, 129, 160)
HSL	hsl(194, 70%, 37%)
HSV	hsv(194, 83%, 63%)
CMYK	cmyk(82.5%, 19.4%, 0%, 37.3%)
CIE-LAB	lab(50.08, -16.60, -24.43)
CIE-LCH	lch(50.08, 29.53, 235.80°)
OKLab	oklab(56.27% -0.0704 -0.0686)
OKLCH	oklch(56.27% 0.098 224.2)
XYZ	xyz(14.6717, 18.4836, 36.0453)
Luminance	0.1848 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C81A0 #A03B1C

analogous

#1CA07D #1C81A0 #1C3FA0

triadic

#1C81A0 #A01C81 #81A01C

tetradic

#1C81A0 #7D1CA0 #A03B1C #3FA01C

square

#1C81A0 #7D1CA0 #A03B1C #3FA01C

split-complementary

#1C81A0 #A01C3F #A07D1C

monochromatic

#0A2D38 #13576C #1C81A0 #25ABD4 #55C0E1

Accessibility & contrast

On white

4.47

#1C81A0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#1C81A0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C81A0

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C81A0	#FFFFFF	#000000	##000000
##1C81A0	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707EA2

Deuteranopia (green-blind)

#5E72A0

Tritanopia (blue-blind)

#008A8B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #1c81a0;
/* rgb */ color: rgb(28, 129, 160);
/* oklch */ color: oklch(56.3% 0.098 224.2);

Tailwind

colors: {
  custom: {
    50: '#70a5bc',
    500: '#1c81a0',
    950: '#000000',
  },
}

SCSS

$custom: #1c81a0;
$custom-light: #70a5bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1c81a0",
  "rgb": {
    "r": 28,
    "g": 129,
    "b": 160
  },
  "hsl": {
    "h": 194.091,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.56272,
    "c": 0.0983,
    "h": 224.2
  },
  "luminance": 0.18485
}

Semantic roles & 50–950 ramp

primary

#1C81A0

secondary

#C46E53

accent

#653BED

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1C81A0

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

Preview Lab → · Contrast checker → · Palette generator →