#1B778F#1B778F

#1B778F is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 52.9% C 0.089 H 220.2°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#1B778F
RGB	rgb(27, 119, 143)
HSL	hsl(192, 68%, 33%)
HSV	hsv(192, 81%, 56%)
CMYK	cmyk(81.1%, 16.8%, 0%, 43.9%)
CIE-LAB	lab(46.19, -17.19, -20.45)
CIE-LCH	lch(46.19, 26.71, 229.95°)
OKLab	oklab(52.91% -0.0677 -0.0572)
OKLCH	oklch(52.91% 0.089 220.2)
XYZ	xyz(12.0046, 15.4083, 28.3227)
Luminance	0.1541 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B778F #8F331B

analogous

#1B8F6D #1B778F #1B3D8F

triadic

#1B778F #8F1B77 #778F1B

tetradic

#1B778F #6D1B8F #8F331B #3D8F1B

square

#1B778F #6D1B8F #8F331B #3D8F1B

split-complementary

#1B778F #8F1B3D #8F6D1B

monochromatic

#082128 #114C5C #1B778F #25A2C2 #48BEDC

Accessibility & contrast

On white

5.14

#1B778F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#1B778F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B778F

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B778F	#FFFFFF	#000000	##FFFFFF
##1B778F	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687490

Deuteranopia (green-blind)

#59698F

Tritanopia (blue-blind)

#007F7F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #1b778f;
/* rgb */ color: rgb(27, 119, 143);
/* oklch */ color: oklch(52.9% 0.089 220.2);

Tailwind

colors: {
  custom: {
    50: '#6c9eaf',
    500: '#1b778f',
    950: '#000000',
  },
}

SCSS

$custom: #1b778f;
$custom-light: #6c9eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#1b778f",
  "rgb": {
    "r": 27,
    "g": 119,
    "b": 143
  },
  "hsl": {
    "h": 192.414,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.52911,
    "c": 0.08868,
    "h": 220.2
  },
  "luminance": 0.1541
}

Semantic roles & 50–950 ramp

primary

#1B778F

secondary

#BE6048

accent

#613DEB

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1B778F

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

Preview Lab → · Contrast checker → · Palette generator →