#1C83A0#1C83A0

#1C83A0 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 56.8% C 0.098 H 222.3°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#1C83A0
RGB	rgb(28, 131, 160)
HSL	hsl(193, 70%, 37%)
HSV	hsv(193, 83%, 63%)
CMYK	cmyk(82.5%, 18.1%, 0%, 37.3%)
CIE-LAB	lab(50.71, -17.70, -23.46)
CIE-LCH	lch(50.71, 29.39, 232.97°)
OKLab	oklab(56.78% -0.0724 -0.0658)
OKLCH	oklch(56.78% 0.098 222.3)
XYZ	xyz(14.9377, 19.0157, 36.1340)
Luminance	0.1902 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C83A0 #A0391C

analogous

#1CA07B #1C83A0 #1C41A0

triadic

#1C83A0 #A01C83 #83A01C

tetradic

#1C83A0 #7B1CA0 #A0391C #41A01C

square

#1C83A0 #7B1CA0 #A0391C #41A01C

split-complementary

#1C83A0 #A01C41 #A07B1C

monochromatic

#0A2E38 #13586C #1C83A0 #25AED4 #55C2E1

Accessibility & contrast

On white

4.37

#1C83A0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#1C83A0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C83A0

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C83A0	#FFFFFF	#000000	##000000
##1C83A0	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7280A1

Deuteranopia (green-blind)

#6173A0

Tritanopia (blue-blind)

#008C8C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1c83a0;
/* rgb */ color: rgb(28, 131, 160);
/* oklch */ color: oklch(56.8% 0.098 222.3);

Tailwind

colors: {
  custom: {
    50: '#71a7bc',
    500: '#1c83a0',
    950: '#000000',
  },
}

SCSS

$custom: #1c83a0;
$custom-light: #71a7bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1c83a0",
  "rgb": {
    "r": 28,
    "g": 131,
    "b": 160
  },
  "hsl": {
    "h": 193.182,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.56776,
    "c": 0.09781,
    "h": 222.3
  },
  "luminance": 0.19018
}

Semantic roles & 50–950 ramp

primary

#1C83A0

secondary

#C46C53

accent

#623BED

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1C83A0

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

Preview Lab → · Contrast checker → · Palette generator →