#1C81A1#1C81A1

#1C81A1 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.3% C 0.099 H 225.0°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#1C81A1
RGB	rgb(28, 129, 161)
HSL	hsl(194, 70%, 37%)
HSV	hsv(194, 83%, 63%)
CMYK	cmyk(82.6%, 19.9%, 0%, 36.9%)
CIE-LAB	lab(50.12, -16.25, -24.95)
CIE-LCH	lch(50.12, 29.77, 236.92°)
OKLab	oklab(56.32% -0.07 -0.07)
OKLCH	oklch(56.32% 0.099 225)
XYZ	xyz(14.7595, 18.5187, 36.5079)
Luminance	0.1852 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C81A1 #A13C1C

analogous

#1CA17F #1C81A1 #1C3FA1

triadic

#1C81A1 #A11C81 #81A11C

tetradic

#1C81A1 #7F1CA1 #A13C1C #3FA11C

square

#1C81A1 #7F1CA1 #A13C1C #3FA11C

split-complementary

#1C81A1 #A11C3F #A17F1C

monochromatic

#0A2D39 #13576D #1C81A1 #25ABD5 #56C0E2

Accessibility & contrast

On white

4.46

#1C81A1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#1C81A1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C81A1

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C81A1	#FFFFFF	#000000	##000000
##1C81A1	1.00	4.46	4.70	4.70
#FFFFFF	4.46	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)

#6F7EA3

Deuteranopia (green-blind)

#5E72A1

Tritanopia (blue-blind)

#008A8B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #1c81a1;
/* rgb */ color: rgb(28, 129, 161);
/* oklch */ color: oklch(56.3% 0.099 225.0);

Tailwind

colors: {
  custom: {
    50: '#71a5bd',
    500: '#1c81a1',
    950: '#000000',
  },
}

SCSS

$custom: #1c81a1;
$custom-light: #71a5bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1c81a1",
  "rgb": {
    "r": 28,
    "g": 129,
    "b": 161
  },
  "hsl": {
    "h": 194.436,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.56319,
    "c": 0.09906,
    "h": 225
  },
  "luminance": 0.18521
}

Semantic roles & 50–950 ramp

primary

#1C81A1

secondary

#C56F54

accent

#663BED

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1C81A1

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

Preview Lab → · Contrast checker → · Palette generator →