#1B7E99#1B7E99

#1B7E99 is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.2% C 0.094 H 221.5°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#1B7E99
RGB	rgb(27, 126, 153)
HSL	hsl(193, 70%, 35%)
HSV	hsv(193, 82%, 60%)
CMYK	cmyk(82.4%, 17.6%, 0%, 40%)
CIE-LAB	lab(48.83, -17.52, -22.27)
CIE-LCH	lch(48.83, 28.34, 231.82°)
OKLab	oklab(55.17% -0.0706 -0.0624)
OKLCH	oklch(55.17% 0.094 221.5)
XYZ	xyz(13.6602, 17.4529, 32.7796)
Luminance	0.1746 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7E99 #99361B

analogous

#1B9975 #1B7E99 #1B3F99

triadic

#1B7E99 #991B7E #7E991B

tetradic

#1B7E99 #751B99 #99361B #3F991B

square

#1B7E99 #751B99 #99361B #3F991B

split-complementary

#1B7E99 #991B3F #99751B

monochromatic

#092831 #125365 #1B7E99 #24A9CD #4FC1E0

Accessibility & contrast

On white

4.68

#1B7E99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#1B7E99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7E99

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7E99	#FFFFFF	#000000	##FFFFFF
##1B7E99	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7B9A

Deuteranopia (green-blind)

#5E6F99

Tritanopia (blue-blind)

#008787

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #1b7e99;
/* rgb */ color: rgb(27, 126, 153);
/* oklch */ color: oklch(55.2% 0.094 221.5);

Tailwind

colors: {
  custom: {
    50: '#6fa3b7',
    500: '#1b7e99',
    950: '#000000',
  },
}

SCSS

$custom: #1b7e99;
$custom-light: #6fa3b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7e99",
  "rgb": {
    "r": 27,
    "g": 126,
    "b": 153
  },
  "hsl": {
    "h": 192.857,
    "s": 70,
    "l": 35.294
  },
  "oklch": {
    "l": 0.55166,
    "c": 0.09426,
    "h": 221.5
  },
  "luminance": 0.17455
}

Semantic roles & 50–950 ramp

primary

#1B7E99

secondary

#C2674E

accent

#613BED

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1B7E99

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

Preview Lab → · Contrast checker → · Palette generator →