#1B758C#1B758C

#1B758C is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.3% C 0.087 H 219.7°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#1B758C
RGB	rgb(27, 117, 140)
HSL	hsl(192, 68%, 33%)
HSV	hsv(192, 81%, 55%)
CMYK	cmyk(80.7%, 16.4%, 0%, 45.1%)
CIE-LAB	lab(45.42, -17.14, -19.84)
CIE-LCH	lch(45.42, 26.22, 229.18°)
OKLab	oklab(52.26% -0.0669 -0.0555)
OKLCH	oklch(52.26% 0.087 219.7)
XYZ	xyz(11.5449, 14.8476, 27.0633)
Luminance	0.1485 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B758C #8C321B

analogous

#1B8C6A #1B758C #1B3D8C

triadic

#1B758C #8C1B75 #758C1B

tetradic

#1B758C #6A1B8C #8C321B #3D8C1B

square

#1B758C #6A1B8C #8C321B #3D8C1B

split-complementary

#1B758C #8C1B3D #8C6A1B

monochromatic

#071F25 #114A59 #1B758C #25A0BF #46BDDB

Accessibility & contrast

On white

5.29

#1B758C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#1B758C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B758C

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B758C	#FFFFFF	#000000	##FFFFFF
##1B758C	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#67728D

Deuteranopia (green-blind)

#58678C

Tritanopia (blue-blind)

#007D7C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #1b758c;
/* rgb */ color: rgb(27, 117, 140);
/* oklch */ color: oklch(52.3% 0.087 219.7);

Tailwind

colors: {
  custom: {
    50: '#6c9dad',
    500: '#1b758c',
    950: '#000000',
  },
}

SCSS

$custom: #1b758c;
$custom-light: #6c9dad;
$custom-dark: #000000;

JSON

{
  "hex": "#1b758c",
  "rgb": {
    "r": 27,
    "g": 117,
    "b": 140
  },
  "hsl": {
    "h": 192.212,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.52257,
    "c": 0.08698,
    "h": 219.7
  },
  "luminance": 0.14849
}

Semantic roles & 50–950 ramp

primary

#1B758C

secondary

#BD5E46

accent

#613DEB

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1B758C

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

Preview Lab → · Contrast checker → · Palette generator →