#2780A3#2780A3

#2780A3 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.4% C 0.097 H 228.9°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#2780A3
RGB	rgb(39, 128, 163)
HSL	hsl(197, 61%, 40%)
HSV	hsv(197, 76%, 64%)
CMYK	cmyk(76.1%, 21.5%, 0%, 36.1%)
CIE-LAB	lab(50.11, -13.78, -26.10)
CIE-LCH	lch(50.11, 29.52, 242.17°)
OKLab	oklab(56.4% -0.0639 -0.0733)
OKLCH	oklch(56.4% 0.097 228.9)
XYZ	xyz(15.1640, 18.5122, 37.4172)
Luminance	0.1851 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2780A3 #A34A27

analogous

#27A388 #2780A3 #2742A3

triadic

#2780A3 #A32780 #80A327

tetradic

#2780A3 #8827A3 #A34A27 #42A327

square

#2780A3 #8827A3 #A34A27 #42A327

split-complementary

#2780A3 #A32742 #A38827

monochromatic

#0F3240 #1B5972 #2780A3 #38A5CF #69BBDB

Accessibility & contrast

On white

4.47

#2780A3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#2780A3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2780A3

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2780A3	#FFFFFF	#000000	##000000
##2780A3	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7EA5

Deuteranopia (green-blind)

#5D72A3

Tritanopia (blue-blind)

#008A8C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #2780a3;
/* rgb */ color: rgb(39, 128, 163);
/* oklch */ color: oklch(56.4% 0.097 228.9);

Tailwind

colors: {
  custom: {
    50: '#74a4be',
    500: '#2780a3',
    950: '#000000',
  },
}

SCSS

$custom: #2780a3;
$custom-light: #74a4be;
$custom-dark: #000000;

JSON

{
  "hex": "#2780a3",
  "rgb": {
    "r": 39,
    "g": 128,
    "b": 163
  },
  "hsl": {
    "h": 196.935,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.56404,
    "c": 0.09723,
    "h": 228.9
  },
  "luminance": 0.18514
}

Semantic roles & 50–950 ramp

primary

#2780A3

secondary

#C17F64

accent

#7143E4

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #2780A3

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

Preview Lab → · Contrast checker → · Palette generator →