#2778A5#2778A5

#2778A5 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.5% C 0.103 H 237.8°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#2778A5
RGB	rgb(39, 120, 165)
HSL	hsl(201, 62%, 40%)
HSV	hsv(201, 76%, 65%)
CMYK	cmyk(76.4%, 27.3%, 0%, 35.3%)
CIE-LAB	lab(47.73, -8.49, -30.98)
CIE-LCH	lch(47.73, 32.12, 254.68°)
OKLab	oklab(54.53% -0.0552 -0.0875)
OKLCH	oklch(54.53% 0.103 237.8)
XYZ	xyz(14.3420, 16.5792, 38.0342)
Luminance	0.1658 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2778A5 #A55427

analogous

#27A593 #2778A5 #2739A5

triadic

#2778A5 #A52778 #78A527

tetradic

#2778A5 #9327A5 #A55427 #39A527

square

#2778A5 #9327A5 #A55427 #39A527

split-complementary

#2778A5 #A52739 #A59327

monochromatic

#103042 #1B5474 #2778A5 #399AD0 #6AB3DC

Accessibility & contrast

On white

4.87

#2778A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#2778A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2778A5

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2778A5	#FFFFFF	#000000	##FFFFFF
##2778A5	1.00	4.87	4.32	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6378A7

Deuteranopia (green-blind)

#516CA4

Tritanopia (blue-blind)

#008388

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2778a5;
/* rgb */ color: rgb(39, 120, 165);
/* oklch */ color: oklch(54.5% 0.103 237.8);

Tailwind

colors: {
  custom: {
    50: '#749ec0',
    500: '#2778a5',
    950: '#000000',
  },
}

SCSS

$custom: #2778a5;
$custom-light: #749ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#2778a5",
  "rgb": {
    "r": 39,
    "g": 120,
    "b": 165
  },
  "hsl": {
    "h": 201.429,
    "s": 61.765,
    "l": 40
  },
  "oklch": {
    "l": 0.54532,
    "c": 0.10343,
    "h": 237.8
  },
  "luminance": 0.16581
}

Semantic roles & 50–950 ramp

primary

#2778A5

secondary

#C28766

accent

#7D43E5

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2778A5

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

Preview Lab → · Contrast checker → · Palette generator →