#1B7E9C#1B7E9C

#1B7E9C is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.3% C 0.096 H 223.9°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#1B7E9C
RGB	rgb(27, 126, 156)
HSL	hsl(194, 70%, 36%)
HSV	hsv(194, 83%, 61%)
CMYK	cmyk(82.7%, 19.2%, 0%, 38.8%)
CIE-LAB	lab(48.95, -16.46, -23.84)
CIE-LCH	lch(48.95, 28.97, 235.38°)
OKLab	oklab(55.31% -0.0694 -0.0669)
OKLCH	oklch(55.31% 0.096 223.9)
XYZ	xyz(13.9111, 17.5533, 34.1010)
Luminance	0.1756 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7E9C #9C391B

analogous

#1B9C79 #1B7E9C #1B3E9C

triadic

#1B7E9C #9C1B7E #7E9C1B

tetradic

#1B7E9C #791B9C #9C391B #3E9C1B

square

#1B7E9C #791B9C #9C391B #3E9C1B

split-complementary

#1B7E9C #9C1B3E #9C791B

monochromatic

#092A34 #125468 #1B7E9C #24A8D0 #51BFE1

Accessibility & contrast

On white

4.66

#1B7E9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#1B7E9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7E9C

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7E9C	#FFFFFF	#000000	##FFFFFF
##1B7E9C	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7B9E

Deuteranopia (green-blind)

#5C6F9C

Tritanopia (blue-blind)

#008788

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #1b7e9c;
/* rgb */ color: rgb(27, 126, 156);
/* oklch */ color: oklch(55.3% 0.096 223.9);

Tailwind

colors: {
  custom: {
    50: '#6fa3b9',
    500: '#1b7e9c',
    950: '#000000',
  },
}

SCSS

$custom: #1b7e9c;
$custom-light: #6fa3b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7e9c",
  "rgb": {
    "r": 27,
    "g": 126,
    "b": 156
  },
  "hsl": {
    "h": 193.953,
    "s": 70.492,
    "l": 35.882
  },
  "oklch": {
    "l": 0.55307,
    "c": 0.09642,
    "h": 223.9
  },
  "luminance": 0.17555
}

Semantic roles & 50–950 ramp

primary

#1B7E9C

secondary

#C36A4F

accent

#643BED

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1B7E9C

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

Preview Lab → · Contrast checker → · Palette generator →