#1B8299#1B8299

#1B8299 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.2% C 0.094 H 217.3°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#1B8299
RGB	rgb(27, 130, 153)
HSL	hsl(191, 70%, 35%)
HSV	hsv(191, 82%, 60%)
CMYK	cmyk(82.4%, 15%, 0%, 40%)
CIE-LAB	lab(50.09, -19.69, -20.33)
CIE-LCH	lch(50.09, 28.30, 225.92°)
OKLab	oklab(56.18% -0.0746 -0.0568)
OKLCH	oklch(56.18% 0.094 217.3)
XYZ	xyz(14.1819, 18.4964, 32.9535)
Luminance	0.1850 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8299 #99321B

analogous

#1B9971 #1B8299 #1B4399

triadic

#1B8299 #991B82 #82991B

tetradic

#1B8299 #711B99 #99321B #43991B

square

#1B8299 #711B99 #99321B #43991B

split-complementary

#1B8299 #991B43 #99711B

monochromatic

#092A31 #125665 #1B8299 #24AECD #4FC5E0

Accessibility & contrast

On white

4.47

#1B8299 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#1B8299 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8299

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8299	#FFFFFF	#000000	##000000
##1B8299	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#737E9A

Deuteranopia (green-blind)

#637299

Tritanopia (blue-blind)

#008A89

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #1b8299;
/* rgb */ color: rgb(27, 130, 153);
/* oklch */ color: oklch(56.2% 0.094 217.3);

Tailwind

colors: {
  custom: {
    50: '#6fa6b7',
    500: '#1b8299',
    950: '#000000',
  },
}

SCSS

$custom: #1b8299;
$custom-light: #6fa6b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8299",
  "rgb": {
    "r": 27,
    "g": 130,
    "b": 153
  },
  "hsl": {
    "h": 190.952,
    "s": 70,
    "l": 35.294
  },
  "oklch": {
    "l": 0.56185,
    "c": 0.09377,
    "h": 217.3
  },
  "luminance": 0.18498
}

Semantic roles & 50–950 ramp

primary

#1B8299

secondary

#C2634E

accent

#5B3BED

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1B8299

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

Preview Lab → · Contrast checker → · Palette generator →