#1C83A8#1C83A8

#1C83A8 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.2% C 0.104 H 228.2°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#1C83A8
RGB	rgb(28, 131, 168)
HSL	hsl(196, 71%, 38%)
HSV	hsv(196, 83%, 66%)
CMYK	cmyk(83.3%, 22%, 0%, 34.1%)
CIE-LAB	lab(51.04, -14.86, -27.58)
CIE-LCH	lch(51.04, 31.33, 241.68°)
OKLab	oklab(57.16% -0.0693 -0.0776)
OKLCH	oklch(57.16% 0.104 228.2)
XYZ	xyz(15.6601, 19.3046, 39.9390)
Luminance	0.1931 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C83A8 #A8411C

analogous

#1CA887 #1C83A8 #1C3DA8

triadic

#1C83A8 #A81C83 #83A81C

tetradic

#1C83A8 #871CA8 #A8411C #3DA81C

square

#1C83A8 #871CA8 #A8411C #3DA81C

split-complementary

#1C83A8 #A81C3D #A8871C

monochromatic

#0B313F #135A74 #1C83A8 #26ABDB #5BBFE4

Accessibility & contrast

On white

4.32

#1C83A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#1C83A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C83A8

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C83A8	#FFFFFF	#000000	##000000
##1C83A8	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F81AA

Deuteranopia (green-blind)

#5D74A7

Tritanopia (blue-blind)

#008D8F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #1c83a8;
/* rgb */ color: rgb(28, 131, 168);
/* oklch */ color: oklch(57.2% 0.104 228.2);

Tailwind

colors: {
  custom: {
    50: '#72a7c2',
    500: '#1c83a8',
    950: '#000000',
  },
}

SCSS

$custom: #1c83a8;
$custom-light: #72a7c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c83a8",
  "rgb": {
    "r": 28,
    "g": 131,
    "b": 168
  },
  "hsl": {
    "h": 195.857,
    "s": 71.429,
    "l": 38.431
  },
  "oklch": {
    "l": 0.57157,
    "c": 0.10403,
    "h": 228.2
  },
  "luminance": 0.19307
}

Semantic roles & 50–950 ramp

primary

#1C83A8

secondary

#C77658

accent

#693AEE

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1C83A8

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

Preview Lab → · Contrast checker → · Palette generator →