#2780A4#2780A4

#2780A4 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.5% C 0.098 H 229.7°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#2780A4
RGB	rgb(39, 128, 164)
HSL	hsl(197, 62%, 40%)
HSV	hsv(197, 76%, 64%)
CMYK	cmyk(76.2%, 22%, 0%, 35.7%)
CIE-LAB	lab(50.15, -13.43, -26.62)
CIE-LCH	lch(50.15, 29.81, 243.23°)
OKLab	oklab(56.45% -0.0635 -0.0748)
OKLCH	oklch(56.45% 0.098 229.7)
XYZ	xyz(15.2540, 18.5482, 37.8910)
Luminance	0.1855 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2780A4 #A44B27

analogous

#27A48A #2780A4 #2742A4

triadic

#2780A4 #A42780 #80A427

tetradic

#2780A4 #8A27A4 #A44B27 #42A427

square

#2780A4 #8A27A4 #A44B27 #42A427

split-complementary

#2780A4 #A42742 #A48A27

monochromatic

#0F3341 #1B5973 #2780A4 #38A4D0 #6ABBDC

Accessibility & contrast

On white

4.46

#2780A4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#2780A4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2780A4

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2780A4	#FFFFFF	#000000	##000000
##2780A4	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7EA6

Deuteranopia (green-blind)

#5D72A3

Tritanopia (blue-blind)

#008A8C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #2780a4;
/* rgb */ color: rgb(39, 128, 164);
/* oklch */ color: oklch(56.5% 0.098 229.7);

Tailwind

colors: {
  custom: {
    50: '#74a4bf',
    500: '#2780a4',
    950: '#000000',
  },
}

SCSS

$custom: #2780a4;
$custom-light: #74a4bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2780a4",
  "rgb": {
    "r": 39,
    "g": 128,
    "b": 164
  },
  "hsl": {
    "h": 197.28,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.56452,
    "c": 0.0981,
    "h": 229.7
  },
  "luminance": 0.1855
}

Semantic roles & 50–950 ramp

primary

#2780A4

secondary

#C28065

accent

#7243E5

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #2780A4

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

Preview Lab → · Contrast checker → · Palette generator →