#2C78B9#2C78B9

#2C78B9 is a mid, vivid cyan. Relative luminance 0.175; OKLCH L 55.8% C 0.125 H 248.2°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#2C78B9
RGB	rgb(44, 120, 185)
HSL	hsl(208, 62%, 45%)
HSV	hsv(208, 76%, 73%)
CMYK	cmyk(76.2%, 35.1%, 0%, 27.5%)
CIE-LAB	lab(48.85, -0.54, -40.82)
CIE-LCH	lch(48.85, 40.83, 269.25°)
OKLab	oklab(55.78% -0.0464 -0.1161)
OKLCH	oklch(55.78% 0.125 248.2)
XYZ	xyz(16.5088, 17.4693, 48.3914)
Luminance	0.1747 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C78B9 #B96D2C

analogous

#2CB9B4 #2C78B9 #2C31B9

triadic

#2C78B9 #B92C78 #78B92C

tetradic

#2C78B9 #B42CB9 #B96D2C #31B92C

square

#2C78B9 #B42CB9 #B96D2C #31B92C

split-complementary

#2C78B9 #B92C31 #B9B42C

monochromatic

#143856 #205888 #2C78B9 #4D96D5 #7FB4E1

Accessibility & contrast

On white

4.67

#2C78B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#2C78B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C78B9

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C78B9	#FFFFFF	#000000	##FFFFFF
##2C78B9	1.00	4.67	4.49	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7BBC

Deuteranopia (green-blind)

#456EB8

Tritanopia (blue-blind)

#008890

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2c78b9;
/* rgb */ color: rgb(44, 120, 185);
/* oklch */ color: oklch(55.8% 0.125 248.2);

Tailwind

colors: {
  custom: {
    50: '#799ece',
    500: '#2c78b9',
    950: '#000000',
  },
}

SCSS

$custom: #2c78b9;
$custom-light: #799ece;
$custom-dark: #000000;

JSON

{
  "hex": "#2c78b9",
  "rgb": {
    "r": 44,
    "g": 120,
    "b": 185
  },
  "hsl": {
    "h": 207.66,
    "s": 61.572,
    "l": 44.902
  },
  "oklch": {
    "l": 0.55779,
    "c": 0.12502,
    "h": 248.2
  },
  "luminance": 0.17471
}

Semantic roles & 50–950 ramp

primary

#2C78B9

secondary

#C99D78

accent

#8E43E5

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2C78B9

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

Preview Lab → · Contrast checker → · Palette generator →