#1B6CB3#1B6CB3

#1B6CB3 is a mid, vivid cyan. Relative luminance 0.142; OKLCH L 52.2% C 0.134 H 250.2°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#1B6CB3
RGB	rgb(27, 108, 179)
HSL	hsl(208, 74%, 40%)
HSV	hsv(208, 85%, 70%)
CMYK	cmyk(84.9%, 39.7%, 0%, 29.8%)
CIE-LAB	lab(44.53, 2.81, -44.22)
CIE-LCH	lch(44.53, 44.30, 273.64°)
OKLab	oklab(52.18% -0.0455 -0.1264)
OKLCH	oklch(52.18% 0.134 250.2)
XYZ	xyz(13.9481, 14.2110, 44.6469)
Luminance	0.1421 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6CB3 #B3621B

analogous

#1BB3AE #1B6CB3 #1B20B3

triadic

#1B6CB3 #B31B6C #6CB31B

tetradic

#1B6CB3 #AE1BB3 #B3621B #20B31B

square

#1B6CB3 #AE1BB3 #B3621B #20B31B

split-complementary

#1B6CB3 #B31B20 #B3AE1B

monochromatic

#0B2C49 #134C7E #1B6CB3 #2C8BDF #61A9E7

Accessibility & contrast

On white

5.47

#1B6CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#1B6CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6CB3

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6CB3	#FFFFFF	#000000	##FFFFFF
##1B6CB3	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4971B6

Deuteranopia (green-blind)

#3163B2

Tritanopia (blue-blind)

#007D87

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #1b6cb3;
/* rgb */ color: rgb(27, 108, 179);
/* oklch */ color: oklch(52.2% 0.134 250.2);

Tailwind

colors: {
  custom: {
    50: '#7395ca',
    500: '#1b6cb3',
    950: '#000000',
  },
}

SCSS

$custom: #1b6cb3;
$custom-light: #7395ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6cb3",
  "rgb": {
    "r": 27,
    "g": 108,
    "b": 179
  },
  "hsl": {
    "h": 208.026,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.52175,
    "c": 0.13436,
    "h": 250.2
  },
  "luminance": 0.14213
}

Semantic roles & 50–950 ramp

primary

#1B6CB3

secondary

#CC915E

accent

#8E37F0

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #1B6CB3

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

Preview Lab → · Contrast checker → · Palette generator →