#2778A3#2778A3

#2778A3 is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.4% C 0.101 H 236.5°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#2778A3
RGB	rgb(39, 120, 163)
HSL	hsl(201, 61%, 40%)
HSV	hsv(201, 76%, 64%)
CMYK	cmyk(76.1%, 26.4%, 0%, 36.1%)
CIE-LAB	lab(47.63, -9.21, -29.96)
CIE-LCH	lch(47.63, 31.34, 252.91°)
OKLab	oklab(54.43% -0.0559 -0.0845)
OKLCH	oklch(54.43% 0.101 236.5)
XYZ	xyz(14.1614, 16.5070, 37.0830)
Luminance	0.1651 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2778A3 #A35227

analogous

#27A390 #2778A3 #273AA3

triadic

#2778A3 #A32778 #78A327

tetradic

#2778A3 #9027A3 #A35227 #3AA327

square

#2778A3 #9027A3 #A35227 #3AA327

split-complementary

#2778A3 #A3273A #A39027

monochromatic

#0F2F40 #1B5472 #2778A3 #389BCF #69B4DB

Accessibility & contrast

On white

4.88

#2778A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#2778A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2778A3

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2778A3	#FFFFFF	#000000	##FFFFFF
##2778A3	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6378A5

Deuteranopia (green-blind)

#536CA2

Tritanopia (blue-blind)

#008387

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2778a3;
/* rgb */ color: rgb(39, 120, 163);
/* oklch */ color: oklch(54.4% 0.101 236.5);

Tailwind

colors: {
  custom: {
    50: '#739ebe',
    500: '#2778a3',
    950: '#000000',
  },
}

SCSS

$custom: #2778a3;
$custom-light: #739ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#2778a3",
  "rgb": {
    "r": 39,
    "g": 120,
    "b": 163
  },
  "hsl": {
    "h": 200.806,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.54428,
    "c": 0.10132,
    "h": 236.5
  },
  "luminance": 0.16509
}

Semantic roles & 50–950 ramp

primary

#2778A3

secondary

#C18564

accent

#7B43E4

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2778A3

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

Preview Lab → · Contrast checker → · Palette generator →