#1B6D83#1B6D83

#1B6D83 is a mid, moderate cyan. Relative luminance 0.128; OKLCH L 49.8% C 0.082 H 220.4°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#1B6D83
RGB	rgb(27, 109, 131)
HSL	hsl(193, 66%, 31%)
HSV	hsv(193, 79%, 51%)
CMYK	cmyk(79.4%, 16.8%, 0%, 48.6%)
CIE-LAB	lab(42.47, -15.87, -19.01)
CIE-LCH	lch(42.47, 24.76, 230.14°)
OKLab	oklab(49.76% -0.0625 -0.0532)
OKLCH	oklch(49.76% 0.082 220.4)
XYZ	xyz(10.0156, 12.8078, 23.4126)
Luminance	0.1281 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6D83 #83311B

analogous

#1B8365 #1B6D83 #1B3983

triadic

#1B6D83 #831B6D #6D831B

tetradic

#1B6D83 #651B83 #83311B #39831B

square

#1B6D83 #651B83 #83311B #39831B

split-complementary

#1B6D83 #831B39 #83651B

monochromatic

#06191E #114350 #1B6D83 #2597B6 #41B8D8

Accessibility & contrast

On white

5.90

#1B6D83 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#1B6D83 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6D83

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6D83	#FFFFFF	#000000	##FFFFFF
##1B6D83	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#606A84

Deuteranopia (green-blind)

#526083

Tritanopia (blue-blind)

#007474

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #1b6d83;
/* rgb */ color: rgb(27, 109, 131);
/* oklch */ color: oklch(49.8% 0.082 220.4);

Tailwind

colors: {
  custom: {
    50: '#6997a7',
    500: '#1b6d83',
    950: '#000000',
  },
}

SCSS

$custom: #1b6d83;
$custom-light: #6997a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6d83",
  "rgb": {
    "r": 27,
    "g": 109,
    "b": 131
  },
  "hsl": {
    "h": 192.692,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.49762,
    "c": 0.08204,
    "h": 220.4
  },
  "luminance": 0.12809
}

Semantic roles & 50–950 ramp

primary

#1B6D83

secondary

#B65C43

accent

#633FE9

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #1B6D83

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

Preview Lab → · Contrast checker → · Palette generator →