#1B7D99#1B7D99

#1B7D99 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 54.9% C 0.094 H 222.5°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#1B7D99
RGB	rgb(27, 125, 153)
HSL	hsl(193, 70%, 35%)
HSV	hsv(193, 82%, 60%)
CMYK	cmyk(82.4%, 18.3%, 0%, 40%)
CIE-LAB	lab(48.51, -16.97, -22.76)
CIE-LCH	lch(48.51, 28.39, 233.30°)
OKLab	oklab(54.91% -0.0696 -0.0638)
OKLCH	oklch(54.91% 0.094 222.5)
XYZ	xyz(13.5330, 17.1985, 32.7372)
Luminance	0.1720 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7D99 #99371B

analogous

#1B9976 #1B7D99 #1B3E99

triadic

#1B7D99 #991B7D #7D991B

tetradic

#1B7D99 #761B99 #99371B #3E991B

square

#1B7D99 #761B99 #99371B #3E991B

split-complementary

#1B7D99 #991B3E #99761B

monochromatic

#092831 #125365 #1B7D99 #24A8CD #4FC0E0

Accessibility & contrast

On white

4.73

#1B7D99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#1B7D99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7D99

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7D99	#FFFFFF	#000000	##FFFFFF
##1B7D99	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7A9A

Deuteranopia (green-blind)

#5C6E99

Tritanopia (blue-blind)

#008686

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #1b7d99;
/* rgb */ color: rgb(27, 125, 153);
/* oklch */ color: oklch(54.9% 0.094 222.5);

Tailwind

colors: {
  custom: {
    50: '#6fa2b7',
    500: '#1b7d99',
    950: '#000000',
  },
}

SCSS

$custom: #1b7d99;
$custom-light: #6fa2b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7d99",
  "rgb": {
    "r": 27,
    "g": 125,
    "b": 153
  },
  "hsl": {
    "h": 193.333,
    "s": 70,
    "l": 35.294
  },
  "oklch": {
    "l": 0.54912,
    "c": 0.09447,
    "h": 222.5
  },
  "luminance": 0.172
}

Semantic roles & 50–950 ramp

primary

#1B7D99

secondary

#C2674E

accent

#633BED

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1B7D99

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

Preview Lab → · Contrast checker → · Palette generator →