#2780A7#2780A7

#2780A7 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.6% C 0.101 H 231.8°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#2780A7
RGB	rgb(39, 128, 167)
HSL	hsl(198, 62%, 40%)
HSV	hsv(198, 77%, 65%)
CMYK	cmyk(76.6%, 23.4%, 0%, 34.5%)
CIE-LAB	lab(50.28, -12.37, -28.16)
CIE-LCH	lch(50.28, 30.76, 246.28°)
OKLab	oklab(56.6% -0.0624 -0.0792)
OKLCH	oklch(56.6% 0.101 231.8)
XYZ	xyz(15.5281, 18.6578, 39.3347)
Luminance	0.1866 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2780A7 #A74E27

analogous

#27A78E #2780A7 #2740A7

triadic

#2780A7 #A72780 #80A727

tetradic

#2780A7 #8E27A7 #A74E27 #40A727

square

#2780A7 #8E27A7 #A74E27 #40A727

split-complementary

#2780A7 #A72740 #A78E27

monochromatic

#103444 #1B5A75 #2780A7 #3AA3D1 #6CBADD

Accessibility & contrast

On white

4.44

#2780A7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#2780A7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2780A7

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2780A7	#FFFFFF	#000000	##000000
##2780A7	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7EA9

Deuteranopia (green-blind)

#5B72A6

Tritanopia (blue-blind)

#008B8D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #2780a7;
/* rgb */ color: rgb(39, 128, 167);
/* oklch */ color: oklch(56.6% 0.101 231.8);

Tailwind

colors: {
  custom: {
    50: '#75a4c1',
    500: '#2780a7',
    950: '#000000',
  },
}

SCSS

$custom: #2780a7;
$custom-light: #75a4c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2780a7",
  "rgb": {
    "r": 39,
    "g": 128,
    "b": 167
  },
  "hsl": {
    "h": 198.281,
    "s": 62.136,
    "l": 40.392
  },
  "oklch": {
    "l": 0.56599,
    "c": 0.10084,
    "h": 231.8
  },
  "luminance": 0.1866
}

Semantic roles & 50–950 ramp

primary

#2780A7

secondary

#C38367

accent

#7443E5

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #2780A7

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

Preview Lab → · Contrast checker → · Palette generator →