#1C83A5#1C83A5

#1C83A5 is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.0% C 0.102 H 226.1°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#1C83A5
RGB	rgb(28, 131, 165)
HSL	hsl(195, 71%, 38%)
HSV	hsv(195, 83%, 65%)
CMYK	cmyk(83%, 20.6%, 0%, 35.3%)
CIE-LAB	lab(50.91, -15.93, -26.04)
CIE-LCH	lch(50.91, 30.53, 238.54°)
OKLab	oklab(57.01% -0.0704 -0.0732)
OKLCH	oklch(57.01% 0.102 226.1)
XYZ	xyz(15.3839, 19.1941, 38.4840)
Luminance	0.1920 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C83A5 #A53E1C

analogous

#1CA583 #1C83A5 #1C3EA5

triadic

#1C83A5 #A51C83 #83A51C

tetradic

#1C83A5 #831CA5 #A53E1C #3EA51C

square

#1C83A5 #831CA5 #A53E1C #3EA51C

split-complementary

#1C83A5 #A51C3E #A5831C

monochromatic

#0A303C #135971 #1C83A5 #25ADD9 #59C0E3

Accessibility & contrast

On white

4.34

#1C83A5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#1C83A5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C83A5

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C83A5	#FFFFFF	#000000	##000000
##1C83A5	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7180A7

Deuteranopia (green-blind)

#5F74A5

Tritanopia (blue-blind)

#008D8E

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1c83a5;
/* rgb */ color: rgb(28, 131, 165);
/* oklch */ color: oklch(57.0% 0.102 226.1);

Tailwind

colors: {
  custom: {
    50: '#71a7bf',
    500: '#1c83a5',
    950: '#000000',
  },
}

SCSS

$custom: #1c83a5;
$custom-light: #71a7bf;
$custom-dark: #000000;

JSON

{
  "hex": "#1c83a5",
  "rgb": {
    "r": 28,
    "g": 131,
    "b": 165
  },
  "hsl": {
    "h": 194.891,
    "s": 70.984,
    "l": 37.843
  },
  "oklch": {
    "l": 0.57012,
    "c": 0.10156,
    "h": 226.1
  },
  "luminance": 0.19196
}

Semantic roles & 50–950 ramp

primary

#1C83A5

secondary

#C67256

accent

#673AEE

background

#F7FAFB

surface

#EDF4F7

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1C83A5

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

Preview Lab → · Contrast checker → · Palette generator →