#1B82A0#1B82A0

#1B82A0 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.5% C 0.098 H 223.1°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#1B82A0
RGB	rgb(27, 130, 160)
HSL	hsl(194, 71%, 37%)
HSV	hsv(194, 83%, 63%)
CMYK	cmyk(83.1%, 18.8%, 0%, 37.3%)
CIE-LAB	lab(50.38, -17.24, -23.97)
CIE-LCH	lch(50.38, 29.53, 234.27°)
OKLab	oklab(56.51% -0.0717 -0.0672)
OKLCH	oklch(56.51% 0.098 223.1)
XYZ	xyz(14.7771, 18.7345, 36.0882)
Luminance	0.1874 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B82A0 #A0391B

analogous

#1BA07C #1B82A0 #1B40A0

triadic

#1B82A0 #A01B82 #82A01B

tetradic

#1B82A0 #7C1BA0 #A0391B #40A01B

square

#1B82A0 #7C1BA0 #A0391B #40A01B

split-complementary

#1B82A0 #A01B40 #A07C1B

monochromatic

#092D37 #12576C #1B82A0 #24ADD4 #53C2E2

Accessibility & contrast

On white

4.42

#1B82A0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#1B82A0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B82A0

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B82A0	#FFFFFF	#000000	##000000
##1B82A0	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717FA2

Deuteranopia (green-blind)

#6073A0

Tritanopia (blue-blind)

#008B8C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b82a0;
/* rgb */ color: rgb(27, 130, 160);
/* oklch */ color: oklch(56.5% 0.098 223.1);

Tailwind

colors: {
  custom: {
    50: '#70a6bc',
    500: '#1b82a0',
    950: '#000000',
  },
}

SCSS

$custom: #1b82a0;
$custom-light: #70a6bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1b82a0",
  "rgb": {
    "r": 27,
    "g": 130,
    "b": 160
  },
  "hsl": {
    "h": 193.534,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.56506,
    "c": 0.09833,
    "h": 223.1
  },
  "luminance": 0.18736
}

Semantic roles & 50–950 ramp

primary

#1B82A0

secondary

#C56C52

accent

#633AEE

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1B82A0

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

Preview Lab → · Contrast checker → · Palette generator →