#1B758D#1B758D

#1B758D is a mid, moderate cyan. Relative luminance 0.149; OKLCH L 52.3% C 0.088 H 220.6°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#1B758D
RGB	rgb(27, 117, 141)
HSL	hsl(193, 68%, 33%)
HSV	hsv(193, 81%, 55%)
CMYK	cmyk(80.9%, 17%, 0%, 44.7%)
CIE-LAB	lab(45.47, -16.79, -20.38)
CIE-LCH	lch(45.47, 26.40, 230.51°)
OKLab	oklab(52.3% -0.0665 -0.057)
OKLCH	oklch(52.3% 0.088 220.6)
XYZ	xyz(11.6190, 14.8772, 27.4534)
Luminance	0.1488 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B758D #8D331B

analogous

#1B8D6C #1B758D #1B3C8D

triadic

#1B758D #8D1B75 #758D1B

tetradic

#1B758D #6C1B8D #8D331B #3C8D1B

square

#1B758D #6C1B8D #8D331B #3C8D1B

split-complementary

#1B758D #8D1B3C #8D6C1B

monochromatic

#072026 #114A5A #1B758D #25A0C0 #47BCDC

Accessibility & contrast

On white

5.28

#1B758D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#1B758D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B758D

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B758D	#FFFFFF	#000000	##FFFFFF
##1B758D	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#67728E

Deuteranopia (green-blind)

#57678D

Tritanopia (blue-blind)

#007D7D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #1b758d;
/* rgb */ color: rgb(27, 117, 141);
/* oklch */ color: oklch(52.3% 0.088 220.6);

Tailwind

colors: {
  custom: {
    50: '#6c9dae',
    500: '#1b758d',
    950: '#000000',
  },
}

SCSS

$custom: #1b758d;
$custom-light: #6c9dae;
$custom-dark: #000000;

JSON

{
  "hex": "#1b758d",
  "rgb": {
    "r": 27,
    "g": 117,
    "b": 141
  },
  "hsl": {
    "h": 192.632,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.52303,
    "c": 0.08764,
    "h": 220.6
  },
  "luminance": 0.14879
}

Semantic roles & 50–950 ramp

primary

#1B758D

secondary

#BD5F46

accent

#623DEB

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1B758D

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

Preview Lab → · Contrast checker → · Palette generator →