#2780A5#2780A5

#2780A5 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.5% C 0.099 H 230.4°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#2780A5
RGB	rgb(39, 128, 165)
HSL	hsl(198, 62%, 40%)
HSV	hsv(198, 76%, 65%)
CMYK	cmyk(76.4%, 22.4%, 0%, 35.3%)
CIE-LAB	lab(50.20, -13.08, -27.13)
CIE-LCH	lch(50.20, 30.12, 244.26°)
OKLab	oklab(56.5% -0.0631 -0.0763)
OKLCH	oklch(56.5% 0.099 230.4)
XYZ	xyz(15.3447, 18.5845, 38.3685)
Luminance	0.1859 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2780A5 #A54C27

analogous

#27A58B #2780A5 #2741A5

triadic

#2780A5 #A52780 #80A527

tetradic

#2780A5 #8B27A5 #A54C27 #41A527

square

#2780A5 #8B27A5 #A54C27 #41A527

split-complementary

#2780A5 #A52741 #A58B27

monochromatic

#103342 #1B5A74 #2780A5 #39A4D0 #6ABBDC

Accessibility & contrast

On white

4.45

#2780A5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#2780A5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2780A5

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2780A5	#FFFFFF	#000000	##000000
##2780A5	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7EA7

Deuteranopia (green-blind)

#5C72A4

Tritanopia (blue-blind)

#008A8C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #2780a5;
/* rgb */ color: rgb(39, 128, 165);
/* oklch */ color: oklch(56.5% 0.099 230.4);

Tailwind

colors: {
  custom: {
    50: '#74a4bf',
    500: '#2780a5',
    950: '#000000',
  },
}

SCSS

$custom: #2780a5;
$custom-light: #74a4bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2780a5",
  "rgb": {
    "r": 39,
    "g": 128,
    "b": 165
  },
  "hsl": {
    "h": 197.619,
    "s": 61.765,
    "l": 40
  },
  "oklch": {
    "l": 0.56501,
    "c": 0.099,
    "h": 230.4
  },
  "luminance": 0.18586
}

Semantic roles & 50–950 ramp

primary

#2780A5

secondary

#C28166

accent

#7243E5

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #2780A5

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

Preview Lab → · Contrast checker → · Palette generator →