#1B8198#1B8198

#1B8198 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 55.9% C 0.093 H 217.5°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#1B8198
RGB	rgb(27, 129, 152)
HSL	hsl(191, 70%, 35%)
HSV	hsv(191, 82%, 60%)
CMYK	cmyk(82.2%, 15.1%, 0%, 40.4%)
CIE-LAB	lab(49.74, -19.49, -20.29)
CIE-LCH	lch(49.74, 28.14, 226.15°)
OKLab	oklab(55.89% -0.074 -0.0567)
OKLCH	oklch(55.89% 0.093 217.5)
XYZ	xyz(13.9673, 18.1988, 32.4762)
Luminance	0.1820 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8198 #98321B

analogous

#1B9870 #1B8198 #1B4398

triadic

#1B8198 #981B81 #81981B

tetradic

#1B8198 #701B98 #98321B #43981B

square

#1B8198 #701B98 #98321B #43981B

split-complementary

#1B8198 #981B43 #98701B

monochromatic

#092930 #125564 #1B8198 #24ADCC #4EC5E0

Accessibility & contrast

On white

4.53

#1B8198 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#1B8198 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8198

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8198	#FFFFFF	#000000	##000000
##1B8198	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727D99

Deuteranopia (green-blind)

#627198

Tritanopia (blue-blind)

#008988

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #1b8198;
/* rgb */ color: rgb(27, 129, 152);
/* oklch */ color: oklch(55.9% 0.093 217.5);

Tailwind

colors: {
  custom: {
    50: '#6fa5b6',
    500: '#1b8198',
    950: '#000000',
  },
}

SCSS

$custom: #1b8198;
$custom-light: #6fa5b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8198",
  "rgb": {
    "r": 27,
    "g": 129,
    "b": 152
  },
  "hsl": {
    "h": 191.04,
    "s": 69.832,
    "l": 35.098
  },
  "oklch": {
    "l": 0.55885,
    "c": 0.09326,
    "h": 217.5
  },
  "luminance": 0.18201
}

Semantic roles & 50–950 ramp

primary

#1B8198

secondary

#C2624D

accent

#5C3BED

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1B8198

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

Preview Lab → · Contrast checker → · Palette generator →