#1B6480#1B6480

#1B6480 is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.3% C 0.082 H 228.5°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#1B6480
RGB	rgb(27, 100, 128)
HSL	hsl(197, 65%, 30%)
HSV	hsv(197, 79%, 50%)
CMYK	cmyk(78.9%, 21.9%, 0%, 49.8%)
CIE-LAB	lab(39.42, -11.80, -21.90)
CIE-LCH	lch(39.42, 24.88, 241.70°)
OKLab	oklab(47.27% -0.0543 -0.0615)
OKLCH	oklch(47.27% 0.082 228.5)
XYZ	xyz(8.9039, 10.9048, 22.0535)
Luminance	0.1091 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6480 #80371B

analogous

#1B8069 #1B6480 #1B3180

triadic

#1B6480 #801B64 #64801B

tetradic

#1B6480 #691B80 #80371B #31801B

square

#1B6480 #691B80 #80371B #31801B

split-complementary

#1B6480 #801B31 #80691B

monochromatic

#06151B #103D4D #1B6480 #268BB3 #3FACD6

Accessibility & contrast

On white

6.60

#1B6480 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#1B6480 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6480

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6480	#FFFFFF	#000000	##FFFFFF
##1B6480	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#556281

Deuteranopia (green-blind)

#485980

Tritanopia (blue-blind)

#006C6D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1b6480;
/* rgb */ color: rgb(27, 100, 128);
/* oklch */ color: oklch(47.3% 0.082 228.5);

Tailwind

colors: {
  custom: {
    50: '#6890a5',
    500: '#1b6480',
    950: '#000000',
  },
}

SCSS

$custom: #1b6480;
$custom-light: #6890a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6480",
  "rgb": {
    "r": 27,
    "g": 100,
    "b": 128
  },
  "hsl": {
    "h": 196.634,
    "s": 65.161,
    "l": 30.392
  },
  "oklch": {
    "l": 0.47272,
    "c": 0.0821,
    "h": 228.5
  },
  "luminance": 0.10906
}

Semantic roles & 50–950 ramp

primary

#1B6480

secondary

#B46243

accent

#6E40E8

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1B6480

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

Preview Lab → · Contrast checker → · Palette generator →