#2780AF#2780AF

#2780AF is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.0% C 0.109 H 236.8°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#2780AF
RGB	rgb(39, 128, 175)
HSL	hsl(201, 64%, 42%)
HSV	hsv(201, 78%, 69%)
CMYK	cmyk(77.7%, 26.9%, 0%, 31.4%)
CIE-LAB	lab(50.64, -9.52, -32.23)
CIE-LCH	lch(50.64, 33.61, 253.55°)
OKLab	oklab(57% -0.0596 -0.091)
OKLCH	oklch(57% 0.109 236.8)
XYZ	xyz(16.2907, 18.9629, 43.3507)
Luminance	0.1897 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2780AF #AF5627

analogous

#27AF9A #2780AF #273CAF

triadic

#2780AF #AF2780 #80AF27

tetradic

#2780AF #9A27AF #AF5627 #3CAF27

square

#2780AF #9A27AF #AF5627 #3CAF27

split-complementary

#2780AF #AF273C #AF9A27

monochromatic

#11374B #1C5B7D #2780AF #3FA1D4 #71B9DF

Accessibility & contrast

On white

4.38

#2780AF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#2780AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2780AF

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2780AF	#FFFFFF	#000000	##000000
##2780AF	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6980B1

Deuteranopia (green-blind)

#5773AE

Tritanopia (blue-blind)

#008C90

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #2780af;
/* rgb */ color: rgb(39, 128, 175);
/* oklch */ color: oklch(57.0% 0.109 236.8);

Tailwind

colors: {
  custom: {
    50: '#76a4c7',
    500: '#2780af',
    950: '#000000',
  },
}

SCSS

$custom: #2780af;
$custom-light: #76a4c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2780af",
  "rgb": {
    "r": 39,
    "g": 128,
    "b": 175
  },
  "hsl": {
    "h": 200.735,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.57004,
    "c": 0.10877,
    "h": 236.8
  },
  "luminance": 0.18965
}

Semantic roles & 50–950 ramp

primary

#2780AF

secondary

#C68B6B

accent

#7A41E7

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2780AF

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

Preview Lab → · Contrast checker → · Palette generator →