#2C78C9#2C78C9

#2C78C9 is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.7% C 0.145 H 253.1°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#2C78C9
RGB	rgb(44, 120, 201)
HSL	hsl(211, 64%, 48%)
HSV	hsv(211, 78%, 79%)
CMYK	cmyk(78.1%, 40.3%, 0%, 21.2%)
CIE-LAB	lab(49.72, 5.42, -48.63)
CIE-LCH	lch(49.72, 48.93, 276.36°)
OKLab	oklab(56.75% -0.0423 -0.139)
OKLCH	oklch(56.75% 0.145 253.1)
XYZ	xyz(18.2938, 18.1833, 57.7926)
Luminance	0.1819 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C78C9 #C97D2C

analogous

#2CC7C9 #2C78C9 #2E2CC9

triadic

#2C78C9 #C92C78 #78C92C

tetradic

#2C78C9 #C92CC7 #C97D2C #2CC92E

square

#2C78C9 #C92CC7 #C97D2C #2CC92E

split-complementary

#2C78C9 #C92E2C #C7C92C

monochromatic

#163C65 #215A97 #2C78C9 #5897DA #8AB6E5

Accessibility & contrast

On white

4.53

#2C78C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#2C78C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2C78C9

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C78C9	#FFFFFF	#000000	##000000
##2C78C9	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#517ECC

Deuteranopia (green-blind)

#3770C7

Tritanopia (blue-blind)

#008B97

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #2c78c9;
/* rgb */ color: rgb(44, 120, 201);
/* oklch */ color: oklch(56.7% 0.145 253.1);

Tailwind

colors: {
  custom: {
    50: '#7c9eda',
    500: '#2c78c9',
    950: '#000000',
  },
}

SCSS

$custom: #2c78c9;
$custom-light: #7c9eda;
$custom-dark: #000000;

JSON

{
  "hex": "#2c78c9",
  "rgb": {
    "r": 44,
    "g": 120,
    "b": 201
  },
  "hsl": {
    "h": 210.955,
    "s": 64.082,
    "l": 48.039
  },
  "oklch": {
    "l": 0.56745,
    "c": 0.14527,
    "h": 253.1
  },
  "luminance": 0.18185
}

Semantic roles & 50–950 ramp

primary

#2C78C9

secondary

#CFAA82

accent

#9741E7

background

#F8F9FD

surface

#EFF2FB

border

#CACCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #2C78C9

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

Preview Lab → · Contrast checker → · Palette generator →