#1C778B#1C778B

#1C778B is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 52.8% C 0.086 H 216.5°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#1C778B
RGB	rgb(28, 119, 139)
HSL	hsl(191, 66%, 33%)
HSV	hsv(191, 80%, 55%)
CMYK	cmyk(79.9%, 14.4%, 0%, 45.5%)
CIE-LAB	lab(46.05, -18.48, -18.29)
CIE-LCH	lch(46.05, 26.00, 224.71°)
OKLab	oklab(52.75% -0.069 -0.0511)
OKLCH	oklch(52.75% 0.086 216.5)
XYZ	xyz(11.7339, 15.3032, 26.7565)
Luminance	0.1530 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C778B #8B301C

analogous

#1C8B68 #1C778B #1C3F8B

triadic

#1C778B #8B1C77 #778B1C

tetradic

#1C778B #681C8B #8B301C #3F8B1C

square

#1C778B #681C8B #8B301C #3F8B1C

split-complementary

#1C778B #8B1C3F #8B681C

monochromatic

#072025 #124B58 #1C778B #26A3BE #47C0DA

Accessibility & contrast

On white

5.17

#1C778B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#1C778B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C778B

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C778B	#FFFFFF	#000000	##FFFFFF
##1C778B	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A738C

Deuteranopia (green-blind)

#5B688B

Tritanopia (blue-blind)

#007E7D

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #1c778b;
/* rgb */ color: rgb(28, 119, 139);
/* oklch */ color: oklch(52.8% 0.086 216.5);

Tailwind

colors: {
  custom: {
    50: '#6c9ead',
    500: '#1c778b',
    950: '#000000',
  },
}

SCSS

$custom: #1c778b;
$custom-light: #6c9ead;
$custom-dark: #000000;

JSON

{
  "hex": "#1c778b",
  "rgb": {
    "r": 28,
    "g": 119,
    "b": 139
  },
  "hsl": {
    "h": 190.811,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.5275,
    "c": 0.08589,
    "h": 216.5
  },
  "luminance": 0.15305
}

Semantic roles & 50–950 ramp

primary

#1C778B

secondary

#BC5C47

accent

#5D3EE9

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1C778B

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

Preview Lab → · Contrast checker → · Palette generator →