#1B6780#1B6780

#1B6780 is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 48.1% C 0.081 H 224.9°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#1B6780
RGB	rgb(27, 103, 128)
HSL	hsl(195, 65%, 30%)
HSV	hsv(195, 79%, 50%)
CMYK	cmyk(78.9%, 19.5%, 0%, 49.8%)
CIE-LAB	lab(40.40, -13.54, -20.39)
CIE-LCH	lch(40.40, 24.48, 236.43°)
OKLab	oklab(48.05% -0.0575 -0.0572)
OKLCH	oklch(48.05% 0.081 224.9)
XYZ	xyz(9.1969, 11.4909, 22.1511)
Luminance	0.1149 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6780 #80341B

analogous

#1B8066 #1B6780 #1B3580

triadic

#1B6780 #801B67 #67801B

tetradic

#1B6780 #661B80 #80341B #35801B

square

#1B6780 #661B80 #80341B #35801B

split-complementary

#1B6780 #801B35 #80661B

monochromatic

#06161B #103E4D #1B6780 #2690B3 #3FB1D6

Accessibility & contrast

On white

6.37

#1B6780 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#1B6780 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6780

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6780	#FFFFFF	#000000	##FFFFFF
##1B6780	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#596581

Deuteranopia (green-blind)

#4C5B80

Tritanopia (blue-blind)

#006E6F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1b6780;
/* rgb */ color: rgb(27, 103, 128);
/* oklch */ color: oklch(48.1% 0.081 224.9);

Tailwind

colors: {
  custom: {
    50: '#6892a5',
    500: '#1b6780',
    950: '#000000',
  },
}

SCSS

$custom: #1b6780;
$custom-light: #6892a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6780",
  "rgb": {
    "r": 27,
    "g": 103,
    "b": 128
  },
  "hsl": {
    "h": 194.851,
    "s": 65.161,
    "l": 30.392
  },
  "oklch": {
    "l": 0.48053,
    "c": 0.08108,
    "h": 224.9
  },
  "luminance": 0.11492
}

Semantic roles & 50–950 ramp

primary

#1B6780

secondary

#B45F43

accent

#6940E8

background

#F6F9FA

surface

#ECF1F4

border

#C7CBCE

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #1B6780

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

Preview Lab → · Contrast checker → · Palette generator →