#3B78CA#3B78CA

#3B78CA is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.3% C 0.142 H 256.6°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3B78CA
RGB	rgb(59, 120, 202)
HSL	hsl(214, 57%, 51%)
HSV	hsv(214, 71%, 79%)
CMYK	cmyk(70.8%, 40.6%, 0%, 20.8%)
CIE-LAB	lab(50.25, 7.72, -48.33)
CIE-LCH	lch(50.25, 48.94, 279.07°)
OKLab	oklab(57.31% -0.0328 -0.1379)
OKLCH	oklch(57.31% 0.142 256.6)
XYZ	xyz(19.1769, 18.6250, 58.4500)
Luminance	0.1863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B78CA #CA8D3B

analogous

#3BBFCA #3B78CA #453BCA

triadic

#3B78CA #CA3B78 #78CA3B

tetradic

#3B78CA #CA3BBF #CA8D3B #3BCA45

square

#3B78CA #CA3BBF #CA8D3B #3BCA45

split-complementary

#3B78CA #CA453B #BFCA3B

monochromatic

#1E3F6D #2B5B9D #3B78CA #6B99D7 #9BBAE4

Accessibility & contrast

On white

4.44

#3B78CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#3B78CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B78CA

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B78CA	#FFFFFF	#000000	##000000
##3B78CA	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#527FCD

Deuteranopia (green-blind)

#3B71C8

Tritanopia (blue-blind)

#008B97

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3b78ca;
/* rgb */ color: rgb(59, 120, 202);
/* oklch */ color: oklch(57.3% 0.142 256.6);

Tailwind

colors: {
  custom: {
    50: '#829eda',
    500: '#3b78ca',
    950: '#000000',
  },
}

SCSS

$custom: #3b78ca;
$custom-light: #829eda;
$custom-dark: #000000;

JSON

{
  "hex": "#3b78ca",
  "rgb": {
    "r": 59,
    "g": 120,
    "b": 202
  },
  "hsl": {
    "h": 214.406,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.57307,
    "c": 0.14175,
    "h": 256.6
  },
  "luminance": 0.18627
}

Semantic roles & 50–950 ramp

primary

#3B78CA

secondary

#D0B591

accent

#9F47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3B78CA

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

Preview Lab → · Contrast checker → · Palette generator →