#1B778C#1B778C

#1B778C is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 52.8% C 0.087 H 217.4°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#1B778C
RGB	rgb(27, 119, 140)
HSL	hsl(191, 68%, 33%)
HSV	hsv(191, 81%, 55%)
CMYK	cmyk(80.7%, 15%, 0%, 45.1%)
CIE-LAB	lab(46.07, -18.24, -18.86)
CIE-LCH	lch(46.07, 26.23, 225.95°)
OKLab	oklab(52.77% -0.069 -0.0527)
OKLCH	oklch(52.77% 0.087 217.4)
XYZ	xyz(11.7804, 15.3187, 27.1418)
Luminance	0.1532 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B778C #8C301B

analogous

#1B8C68 #1B778C #1B3F8C

triadic

#1B778C #8C1B77 #778C1B

tetradic

#1B778C #681B8C #8C301B #3F8C1B

square

#1B778C #681B8C #8C301B #3F8C1B

split-complementary

#1B778C #8C1B3F #8C681B

monochromatic

#072025 #114B59 #1B778C #25A3BF #46C0DB

Accessibility & contrast

On white

5.17

#1B778C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#1B778C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B778C

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B778C	#FFFFFF	#000000	##FFFFFF
##1B778C	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)

#69738D

Deuteranopia (green-blind)

#5A688C

Tritanopia (blue-blind)

#007E7E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #1b778c;
/* rgb */ color: rgb(27, 119, 140);
/* oklch */ color: oklch(52.8% 0.087 217.4);

Tailwind

colors: {
  custom: {
    50: '#6c9ead',
    500: '#1b778c',
    950: '#000000',
  },
}

SCSS

$custom: #1b778c;
$custom-light: #6c9ead;
$custom-dark: #000000;

JSON

{
  "hex": "#1b778c",
  "rgb": {
    "r": 27,
    "g": 119,
    "b": 140
  },
  "hsl": {
    "h": 191.15,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.52774,
    "c": 0.08681,
    "h": 217.4
  },
  "luminance": 0.1532
}

Semantic roles & 50–950 ramp

primary

#1B778C

secondary

#BD5C46

accent

#5D3DEB

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1B778C

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

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