#2C78B7#2C78B7

#2C78B7 is a mid, vivid cyan. Relative luminance 0.174; OKLCH L 55.7% C 0.123 H 247.5°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#2C78B7
RGB	rgb(44, 120, 183)
HSL	hsl(207, 61%, 45%)
HSV	hsv(207, 76%, 72%)
CMYK	cmyk(76%, 34.4%, 0%, 28.2%)
CIE-LAB	lab(48.74, -1.27, -39.83)
CIE-LCH	lch(48.74, 39.85, 268.17°)
OKLab	oklab(55.66% -0.0469 -0.1132)
OKLCH	oklch(55.66% 0.123 247.5)
XYZ	xyz(16.2992, 17.3854, 47.2873)
Luminance	0.1739 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C78B7 #B76B2C

analogous

#2CB7B0 #2C78B7 #2C33B7

triadic

#2C78B7 #B72C78 #78B72C

tetradic

#2C78B7 #B02CB7 #B76B2C #33B72C

square

#2C78B7 #B02CB7 #B76B2C #33B72C

split-complementary

#2C78B7 #B72C33 #B7B02C

monochromatic

#143754 #205886 #2C78B7 #4C96D4 #7EB3E0

Accessibility & contrast

On white

4.69

#2C78B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#2C78B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C78B7

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C78B7	#FFFFFF	#000000	##FFFFFF
##2C78B7	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7BBA

Deuteranopia (green-blind)

#476EB6

Tritanopia (blue-blind)

#00878F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2c78b7;
/* rgb */ color: rgb(44, 120, 183);
/* oklch */ color: oklch(55.7% 0.123 247.5);

Tailwind

colors: {
  custom: {
    50: '#799ecd',
    500: '#2c78b7',
    950: '#000000',
  },
}

SCSS

$custom: #2c78b7;
$custom-light: #799ecd;
$custom-dark: #000000;

JSON

{
  "hex": "#2c78b7",
  "rgb": {
    "r": 44,
    "g": 120,
    "b": 183
  },
  "hsl": {
    "h": 207.194,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.55663,
    "c": 0.12256,
    "h": 247.5
  },
  "luminance": 0.17387
}

Semantic roles & 50–950 ramp

primary

#2C78B7

secondary

#C89C76

accent

#8C43E4

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2C78B7

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

Preview Lab → · Contrast checker → · Palette generator →