#1B82A1#1B82A1

#1B82A1 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.6% C 0.099 H 223.9°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#1B82A1
RGB	rgb(27, 130, 161)
HSL	hsl(194, 71%, 37%)
HSV	hsv(194, 83%, 63%)
CMYK	cmyk(83.2%, 19.3%, 0%, 36.9%)
CIE-LAB	lab(50.42, -16.89, -24.49)
CIE-LCH	lch(50.42, 29.75, 235.40°)
OKLab	oklab(56.55% -0.0713 -0.0687)
OKLCH	oklch(56.55% 0.099 223.9)
XYZ	xyz(14.8649, 18.7696, 36.5507)
Luminance	0.1877 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B82A1 #A13A1B

analogous

#1BA17D #1B82A1 #1B3FA1

triadic

#1B82A1 #A11B82 #82A11B

tetradic

#1B82A1 #7D1BA1 #A13A1B #3FA11B

square

#1B82A1 #7D1BA1 #A13A1B #3FA11B

split-complementary

#1B82A1 #A11B3F #A17D1B

monochromatic

#092D38 #12586D #1B82A1 #24ACD5 #54C1E2

Accessibility & contrast

On white

4.42

#1B82A1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#1B82A1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B82A1

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B82A1	#FFFFFF	#000000	##000000
##1B82A1	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)

#717FA3

Deuteranopia (green-blind)

#5F73A1

Tritanopia (blue-blind)

#008B8C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b82a1;
/* rgb */ color: rgb(27, 130, 161);
/* oklch */ color: oklch(56.6% 0.099 223.9);

Tailwind

colors: {
  custom: {
    50: '#70a6bd',
    500: '#1b82a1',
    950: '#000000',
  },
}

SCSS

$custom: #1b82a1;
$custom-light: #70a6bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1b82a1",
  "rgb": {
    "r": 27,
    "g": 130,
    "b": 161
  },
  "hsl": {
    "h": 193.881,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.56553,
    "c": 0.09907,
    "h": 223.9
  },
  "luminance": 0.18771
}

Semantic roles & 50–950 ramp

primary

#1B82A1

secondary

#C56D52

accent

#633AEE

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1B82A1

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

Preview Lab → · Contrast checker → · Palette generator →