#1B6180#1B6180

#1B6180 is a mid, moderate cyan. Relative luminance 0.103; OKLCH L 46.5% C 0.083 H 232.1°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#1B6180
RGB	rgb(27, 97, 128)
HSL	hsl(198, 65%, 30%)
HSV	hsv(198, 79%, 50%)
CMYK	cmyk(78.9%, 24.2%, 0%, 49.8%)
CIE-LAB	lab(38.45, -10.02, -23.41)
CIE-LCH	lch(38.45, 25.47, 246.82°)
OKLab	oklab(46.49% -0.0512 -0.0659)
OKLCH	oklch(46.49% 0.083 232.1)
XYZ	xyz(8.6214, 10.3399, 21.9593)
Luminance	0.1034 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6180 #803A1B

analogous

#1B806C #1B6180 #1B2E80

triadic

#1B6180 #801B61 #61801B

tetradic

#1B6180 #6C1B80 #803A1B #2E801B

square

#1B6180 #6C1B80 #803A1B #2E801B

split-complementary

#1B6180 #801B2E #806C1B

monochromatic

#06141B #103B4D #1B6180 #2687B3 #3FA8D6

Accessibility & contrast

On white

6.84

#1B6180 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#1B6180 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6180

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6180	#FFFFFF	#000000	##FFFFFF
##1B6180	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#516081

Deuteranopia (green-blind)

#445680

Tritanopia (blue-blind)

#00696B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1b6180;
/* rgb */ color: rgb(27, 97, 128);
/* oklch */ color: oklch(46.5% 0.083 232.1);

Tailwind

colors: {
  custom: {
    50: '#688da5',
    500: '#1b6180',
    950: '#000000',
  },
}

SCSS

$custom: #1b6180;
$custom-light: #688da5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6180",
  "rgb": {
    "r": 27,
    "g": 97,
    "b": 128
  },
  "hsl": {
    "h": 198.416,
    "s": 65.161,
    "l": 30.392
  },
  "oklch": {
    "l": 0.46494,
    "c": 0.08348,
    "h": 232.1
  },
  "luminance": 0.10341
}

Semantic roles & 50–950 ramp

primary

#1B6180

secondary

#B46643

accent

#7340E8

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1B6180

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

Preview Lab → · Contrast checker → · Palette generator →