#3B78C8#3B78C8

#3B78C8 is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 57.2% C 0.139 H 256.2°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3B78C8
RGB	rgb(59, 120, 200)
HSL	hsl(214, 56%, 51%)
HSV	hsv(214, 71%, 78%)
CMYK	cmyk(70.5%, 40%, 0%, 21.6%)
CIE-LAB	lab(50.13, 6.99, -47.36)
CIE-LCH	lch(50.13, 47.88, 278.40°)
OKLab	oklab(57.18% -0.0332 -0.1351)
OKLCH	oklch(57.18% 0.139 256.2)
XYZ	xyz(18.9416, 18.5309, 57.2109)
Luminance	0.1853 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B78C8 #C88B3B

analogous

#3BBEC8 #3B78C8 #453BC8

triadic

#3B78C8 #C83B78 #78C83B

tetradic

#3B78C8 #C83BBE #C88B3B #3BC845

square

#3B78C8 #C83BBE #C88B3B #3BC845

split-complementary

#3B78C8 #C8453B #BEC83B

monochromatic

#1E3F6B #2B5B9A #3B78C8 #6B99D5 #9BBAE3

Accessibility & contrast

On white

4.46

#3B78C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#3B78C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B78C8

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B78C8	#FFFFFF	#000000	##000000
##3B78C8	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#537ECB

Deuteranopia (green-blind)

#3D71C6

Tritanopia (blue-blind)

#008B96

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3b78c8;
/* rgb */ color: rgb(59, 120, 200);
/* oklch */ color: oklch(57.2% 0.139 256.2);

Tailwind

colors: {
  custom: {
    50: '#819ed9',
    500: '#3b78c8',
    950: '#000000',
  },
}

SCSS

$custom: #3b78c8;
$custom-light: #819ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b78c8",
  "rgb": {
    "r": 59,
    "g": 120,
    "b": 200
  },
  "hsl": {
    "h": 214.043,
    "s": 56.175,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57184,
    "c": 0.1391,
    "h": 256.2
  },
  "luminance": 0.18533
}

Semantic roles & 50–950 ramp

primary

#3B78C8

secondary

#CFB490

accent

#9E48DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3B78C8

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

Preview Lab → · Contrast checker → · Palette generator →