#1C758B#1C758B

#1C758B is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.2% C 0.086 H 218.8°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#1C758B
RGB	rgb(28, 117, 139)
HSL	hsl(192, 66%, 33%)
HSV	hsv(192, 80%, 55%)
CMYK	cmyk(79.9%, 15.8%, 0%, 45.5%)
CIE-LAB	lab(45.40, -17.38, -19.28)
CIE-LCH	lch(45.40, 25.96, 227.97°)
OKLab	oklab(52.23% -0.067 -0.0539)
OKLCH	oklch(52.23% 0.086 218.8)
XYZ	xyz(11.4984, 14.8321, 26.6780)
Luminance	0.1483 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C758B #8B321C

analogous

#1C8B69 #1C758B #1C3D8B

triadic

#1C758B #8B1C75 #758B1C

tetradic

#1C758B #691C8B #8B321C #3D8B1C

square

#1C758B #691C8B #8B321C #3D8B1C

split-complementary

#1C758B #8B1C3D #8B691C

monochromatic

#071F25 #124A58 #1C758B #26A0BE #47BDDA

Accessibility & contrast

On white

5.29

#1C758B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#1C758B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C758B

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C758B	#FFFFFF	#000000	##FFFFFF
##1C758B	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)

#67728C

Deuteranopia (green-blind)

#58678B

Tritanopia (blue-blind)

#007C7C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #1c758b;
/* rgb */ color: rgb(28, 117, 139);
/* oklch */ color: oklch(52.2% 0.086 218.8);

Tailwind

colors: {
  custom: {
    50: '#6c9dad',
    500: '#1c758b',
    950: '#000000',
  },
}

SCSS

$custom: #1c758b;
$custom-light: #6c9dad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c758b",
  "rgb": {
    "r": 28,
    "g": 117,
    "b": 139
  },
  "hsl": {
    "h": 191.892,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.52232,
    "c": 0.08599,
    "h": 218.8
  },
  "luminance": 0.14834
}

Semantic roles & 50–950 ramp

primary

#1C758B

secondary

#BC5E47

accent

#603EE9

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1C758B

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

Preview Lab → · Contrast checker → · Palette generator →