#1B6183#1B6183

#1B6183 is a mid, moderate cyan. Relative luminance 0.104; OKLCH L 46.7% C 0.087 H 234.6°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#1B6183
RGB	rgb(27, 97, 131)
HSL	hsl(200, 66%, 31%)
HSV	hsv(200, 79%, 51%)
CMYK	cmyk(79.4%, 26%, 0%, 48.6%)
CIE-LAB	lab(38.59, -8.90, -25.02)
CIE-LCH	lch(38.59, 26.56, 250.42°)
OKLab	oklab(46.65% -0.0501 -0.0706)
OKLCH	oklch(46.65% 0.087 234.6)
XYZ	xyz(8.8218, 10.4200, 23.0147)
Luminance	0.1042 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6183 #833D1B

analogous

#1B8371 #1B6183 #1B2D83

triadic

#1B6183 #831B61 #61831B

tetradic

#1B6183 #711B83 #833D1B #2D831B

square

#1B6183 #711B83 #833D1B #2D831B

split-complementary

#1B6183 #831B2D #83711B

monochromatic

#06161E #113B50 #1B6183 #2587B6 #41A6D8

Accessibility & contrast

On white

6.81

#1B6183 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#1B6183 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6183

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6183	#FFFFFF	#000000	##FFFFFF
##1B6183	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#506085

Deuteranopia (green-blind)

#425782

Tritanopia (blue-blind)

#006A6D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1b6183;
/* rgb */ color: rgb(27, 97, 131);
/* oklch */ color: oklch(46.7% 0.087 234.6);

Tailwind

colors: {
  custom: {
    50: '#698da7',
    500: '#1b6183',
    950: '#000000',
  },
}

SCSS

$custom: #1b6183;
$custom-light: #698da7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6183",
  "rgb": {
    "r": 27,
    "g": 97,
    "b": 131
  },
  "hsl": {
    "h": 199.615,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.46652,
    "c": 0.08654,
    "h": 234.6
  },
  "luminance": 0.10421
}

Semantic roles & 50–950 ramp

primary

#1B6183

secondary

#B66943

accent

#773FE9

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1B6183

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

Preview Lab → · Contrast checker → · Palette generator →