#3E78BB#3E78BB

#3E78BB is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.5% C 0.121 H 253.6°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3E78BB
RGB	rgb(62, 120, 187)
HSL	hsl(212, 50%, 49%)
HSV	hsv(212, 67%, 73%)
CMYK	cmyk(66.8%, 35.8%, 0%, 26.7%)
CIE-LAB	lab(49.55, 2.83, -40.83)
CIE-LCH	lch(49.55, 40.93, 273.96°)
OKLab	oklab(56.53% -0.0342 -0.1159)
OKLCH	oklch(56.53% 0.121 253.6)
XYZ	xyz(17.6694, 18.0431, 49.5556)
Luminance	0.1804 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E78BB #BB813E

analogous

#3EB7BB #3E78BB #433EBB

triadic

#3E78BB #BB3E78 #78BB3E

tetradic

#3E78BB #BB3EB7 #BB813E #3EBB43

square

#3E78BB #BB3EB7 #BB813E #3EBB43

split-complementary

#3E78BB #BB433E #B7BB3E

monochromatic

#203D5F #2F5B8D #3E78BB #6997CD #97B7DC

Accessibility & contrast

On white

4.56

#3E78BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3E78BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E78BB

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E78BB	#FFFFFF	#000000	##000000
##3E78BB	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7CBE

Deuteranopia (green-blind)

#4970BA

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3e78bb;
/* rgb */ color: rgb(62, 120, 187);
/* oklch */ color: oklch(56.5% 0.121 253.6);

Tailwind

colors: {
  custom: {
    50: '#809ed0',
    500: '#3e78bb',
    950: '#000000',
  },
}

SCSS

$custom: #3e78bb;
$custom-light: #809ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e78bb",
  "rgb": {
    "r": 62,
    "g": 120,
    "b": 187
  },
  "hsl": {
    "h": 212.16,
    "s": 50.201,
    "l": 48.824
  },
  "oklch": {
    "l": 0.56531,
    "c": 0.12083,
    "h": 253.6
  },
  "luminance": 0.18045
}

Semantic roles & 50–950 ramp

primary

#3E78BB

secondary

#C8AD8D

accent

#994EDA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3E78BB

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

Preview Lab → · Contrast checker → · Palette generator →