#2C78B6#2C78B6

#2C78B6 is a mid, vivid cyan. Relative luminance 0.173; OKLCH L 55.6% C 0.121 H 247.1°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#2C78B6
RGB	rgb(44, 120, 182)
HSL	hsl(207, 61%, 44%)
HSV	hsv(207, 76%, 71%)
CMYK	cmyk(75.8%, 34.1%, 0%, 28.6%)
CIE-LAB	lab(48.69, -1.64, -39.34)
CIE-LCH	lch(48.69, 39.37, 267.61°)
OKLab	oklab(55.61% -0.0472 -0.1118)
OKLCH	oklch(55.61% 0.121 247.1)
XYZ	xyz(16.1954, 17.3439, 46.7411)
Luminance	0.1735 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C78B6 #B66A2C

analogous

#2CB6AF #2C78B6 #2C33B6

triadic

#2C78B6 #B62C78 #78B62C

tetradic

#2C78B6 #AF2CB6 #B66A2C #33B62C

square

#2C78B6 #AF2CB6 #B66A2C #33B62C

split-complementary

#2C78B6 #B62C33 #B6AF2C

monochromatic

#143753 #205885 #2C78B6 #4C97D4 #7DB3E0

Accessibility & contrast

On white

4.70

#2C78B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#2C78B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C78B6

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C78B6	#FFFFFF	#000000	##FFFFFF
##2C78B6	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7BB9

Deuteranopia (green-blind)

#486EB5

Tritanopia (blue-blind)

#00878E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2c78b6;
/* rgb */ color: rgb(44, 120, 182);
/* oklch */ color: oklch(55.6% 0.121 247.1);

Tailwind

colors: {
  custom: {
    50: '#789ecc',
    500: '#2c78b6',
    950: '#000000',
  },
}

SCSS

$custom: #2c78b6;
$custom-light: #789ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#2c78b6",
  "rgb": {
    "r": 44,
    "g": 120,
    "b": 182
  },
  "hsl": {
    "h": 206.957,
    "s": 61.062,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55606,
    "c": 0.12133,
    "h": 247.1
  },
  "luminance": 0.17346
}

Semantic roles & 50–950 ramp

primary

#2C78B6

secondary

#C89B76

accent

#8C44E4

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2C78B6

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

Preview Lab → · Contrast checker → · Palette generator →