#2478C5#2478C5

#2478C5 is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.3% C 0.142 H 250.6°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#2478C5
RGB	rgb(36, 120, 197)
HSL	hsl(209, 69%, 46%)
HSV	hsv(209, 82%, 77%)
CMYK	cmyk(81.7%, 39.1%, 0%, 22.7%)
CIE-LAB	lab(49.30, 3.09, -47.02)
CIE-LCH	lch(49.30, 47.12, 273.76°)
OKLab	oklab(56.29% -0.0472 -0.1343)
OKLCH	oklch(56.29% 0.142 250.6)
XYZ	xyz(17.5182, 17.8371, 55.3321)
Luminance	0.1784 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2478C5 #C57124

analogous

#24C5C2 #2478C5 #2427C5

triadic

#2478C5 #C52478 #78C524

tetradic

#2478C5 #C224C5 #C57124 #27C524

square

#2478C5 #C224C5 #C57124 #27C524

split-complementary

#2478C5 #C52427 #C5C224

monochromatic

#11395E #1B5891 #2478C5 #4996DE #7CB4E7

Accessibility & contrast

On white

4.60

#2478C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#2478C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2478C5

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2478C5	#FFFFFF	#000000	##FFFFFF
##2478C5	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#537DC8

Deuteranopia (green-blind)

#396FC3

Tritanopia (blue-blind)

#008A95

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #2478c5;
/* rgb */ color: rgb(36, 120, 197);
/* oklch */ color: oklch(56.3% 0.142 250.6);

Tailwind

colors: {
  custom: {
    50: '#799ed7',
    500: '#2478c5',
    950: '#000000',
  },
}

SCSS

$custom: #2478c5;
$custom-light: #799ed7;
$custom-dark: #000000;

JSON

{
  "hex": "#2478c5",
  "rgb": {
    "r": 36,
    "g": 120,
    "b": 197
  },
  "hsl": {
    "h": 208.696,
    "s": 69.099,
    "l": 45.686
  },
  "oklch": {
    "l": 0.56289,
    "c": 0.14239,
    "h": 250.6
  },
  "luminance": 0.17839
}

Semantic roles & 50–950 ramp

primary

#2478C5

secondary

#CFA076

accent

#903CEC

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #2478C5

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

Preview Lab → · Contrast checker → · Palette generator →