#28778B#28778B

#28778B is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.0% C 0.081 H 218.1°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#28778B
RGB	rgb(40, 119, 139)
HSL	hsl(192, 55%, 35%)
HSV	hsv(192, 71%, 55%)
CMYK	cmyk(71.2%, 14.4%, 0%, 45.5%)
CIE-LAB	lab(46.32, -16.89, -17.85)
CIE-LCH	lch(46.32, 24.57, 226.58°)
OKLab	oklab(53.05% -0.0635 -0.0498)
OKLCH	oklch(53.05% 0.081 218.1)
XYZ	xyz(12.1302, 15.5075, 26.7750)
Luminance	0.1551 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28778B #8B3C28

analogous

#288B6D #28778B #28468B

triadic

#28778B #8B2877 #778B28

tetradic

#28778B #6D288B #8B3C28 #468B28

square

#28778B #6D288B #8B3C28 #468B28

split-complementary

#28778B #8B2846 #8B6D28

monochromatic

#0D262C #1A4E5B #28778B #36A0BB #5DB9D0

Accessibility & contrast

On white

5.12

#28778B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#28778B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28778B

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28778B	#FFFFFF	#000000	##FFFFFF
##28778B	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A748C

Deuteranopia (green-blind)

#5C698B

Tritanopia (blue-blind)

#007E7D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #28778b;
/* rgb */ color: rgb(40, 119, 139);
/* oklch */ color: oklch(53.0% 0.081 218.1);

Tailwind

colors: {
  custom: {
    50: '#709ead',
    500: '#28778b',
    950: '#000000',
  },
}

SCSS

$custom: #28778b;
$custom-light: #709ead;
$custom-dark: #000000;

JSON

{
  "hex": "#28778b",
  "rgb": {
    "r": 40,
    "g": 119,
    "b": 139
  },
  "hsl": {
    "h": 192.121,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.53049,
    "c": 0.08072,
    "h": 218.1
  },
  "luminance": 0.15509
}

Semantic roles & 50–950 ramp

primary

#28778B

secondary

#B66C59

accent

#6749DF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #28778B

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

Preview Lab → · Contrast checker → · Palette generator →