#2C78B8#2C78B8

#2C78B8 is a mid, vivid cyan. Relative luminance 0.174; OKLCH L 55.7% C 0.124 H 247.9°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#2C78B8
RGB	rgb(44, 120, 184)
HSL	hsl(207, 61%, 45%)
HSV	hsv(207, 76%, 72%)
CMYK	cmyk(76.1%, 34.8%, 0%, 27.8%)
CIE-LAB	lab(48.79, -0.90, -40.33)
CIE-LCH	lch(48.79, 40.34, 268.71°)
OKLab	oklab(55.72% -0.0467 -0.1147)
OKLCH	oklch(55.72% 0.124 247.9)
XYZ	xyz(16.4036, 17.4272, 47.8374)
Luminance	0.1743 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C78B8 #B86C2C

analogous

#2CB8B2 #2C78B8 #2C32B8

triadic

#2C78B8 #B82C78 #78B82C

tetradic

#2C78B8 #B22CB8 #B86C2C #32B82C

square

#2C78B8 #B22CB8 #B86C2C #32B82C

split-complementary

#2C78B8 #B82C32 #B8B22C

monochromatic

#143855 #205887 #2C78B8 #4D96D4 #7EB3E0

Accessibility & contrast

On white

4.68

#2C78B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#2C78B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C78B8

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C78B8	#FFFFFF	#000000	##FFFFFF
##2C78B8	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7BBB

Deuteranopia (green-blind)

#466EB7

Tritanopia (blue-blind)

#00878F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2c78b8;
/* rgb */ color: rgb(44, 120, 184);
/* oklch */ color: oklch(55.7% 0.124 247.9);

Tailwind

colors: {
  custom: {
    50: '#799ecd',
    500: '#2c78b8',
    950: '#000000',
  },
}

SCSS

$custom: #2c78b8;
$custom-light: #799ecd;
$custom-dark: #000000;

JSON

{
  "hex": "#2c78b8",
  "rgb": {
    "r": 44,
    "g": 120,
    "b": 184
  },
  "hsl": {
    "h": 207.429,
    "s": 61.404,
    "l": 44.706
  },
  "oklch": {
    "l": 0.55721,
    "c": 0.12379,
    "h": 247.9
  },
  "luminance": 0.17429
}

Semantic roles & 50–950 ramp

primary

#2C78B8

secondary

#C99C77

accent

#8D43E5

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2C78B8

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

Preview Lab → · Contrast checker → · Palette generator →