#1B6CB4#1B6CB4

#1B6CB4 is a mid, vivid cyan. Relative luminance 0.143; OKLCH L 52.2% C 0.136 H 250.5°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#1B6CB4
RGB	rgb(27, 108, 180)
HSL	hsl(208, 74%, 41%)
HSV	hsv(208, 85%, 71%)
CMYK	cmyk(85%, 40%, 0%, 29.4%)
CIE-LAB	lab(44.59, 3.20, -44.71)
CIE-LCH	lch(44.59, 44.82, 274.09°)
OKLab	oklab(52.24% -0.0453 -0.1278)
OKLCH	oklch(52.24% 0.136 250.5)
XYZ	xyz(14.0496, 14.2516, 45.1815)
Luminance	0.1425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6CB4 #B4631B

analogous

#1BB4AF #1B6CB4 #1B20B4

triadic

#1B6CB4 #B41B6C #6CB41B

tetradic

#1B6CB4 #AF1BB4 #B4631B #20B41B

square

#1B6CB4 #AF1BB4 #B4631B #20B41B

split-complementary

#1B6CB4 #B41B20 #B4AF1B

monochromatic

#0B2C4A #134C7F #1B6CB4 #2D8BDF #62A9E7

Accessibility & contrast

On white

5.45

#1B6CB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#1B6CB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6CB4

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6CB4	#FFFFFF	#000000	##FFFFFF
##1B6CB4	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4971B7

Deuteranopia (green-blind)

#3063B3

Tritanopia (blue-blind)

#007D87

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #1b6cb4;
/* rgb */ color: rgb(27, 108, 180);
/* oklch */ color: oklch(52.2% 0.136 250.5);

Tailwind

colors: {
  custom: {
    50: '#7395cb',
    500: '#1b6cb4',
    950: '#000000',
  },
}

SCSS

$custom: #1b6cb4;
$custom-light: #7395cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6cb4",
  "rgb": {
    "r": 27,
    "g": 108,
    "b": 180
  },
  "hsl": {
    "h": 208.235,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.52239,
    "c": 0.13563,
    "h": 250.5
  },
  "luminance": 0.14253
}

Semantic roles & 50–950 ramp

primary

#1B6CB4

secondary

#CC925F

accent

#8E37F1

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #1B6CB4

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

Preview Lab → · Contrast checker → · Palette generator →