#3B78E2#3B78E2

#3B78E2 is a mid, vivid blue. Relative luminance 0.199; OKLCH L 58.9% C 0.173 H 260.6°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3B78E2
RGB	rgb(59, 120, 226)
HSL	hsl(218, 74%, 56%)
HSV	hsv(218, 74%, 89%)
CMYK	cmyk(73.9%, 46.9%, 0%, 11.4%)
CIE-LAB	lab(51.67, 16.44, -59.64)
CIE-LCH	lch(51.67, 61.87, 285.41°)
OKLab	oklab(58.87% -0.0283 -0.1712)
OKLCH	oklch(58.87% 0.174 260.6)
XYZ	xyz(22.2426, 19.8513, 74.5962)
Luminance	0.1985 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B78E2 #E2A53B

analogous

#3BCBE2 #3B78E2 #513BE2

triadic

#3B78E2 #E23B78 #78E23B

tetradic

#3B78E2 #E23BCB #E2A53B #3BE251

square

#3B78E2 #E23BCB #E2A53B #3BE251

split-complementary

#3B78E2 #E2513B #CBE23B

monochromatic

#15418E #1D5AC3 #3B78E2 #709DEA #A6C1F2

Accessibility & contrast

On white

4.22

#3B78E2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#3B78E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B78E2

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B78E2	#FFFFFF	#000000	##000000
##3B78E2	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E83E6

Deuteranopia (green-blind)

#0E74E0

Tritanopia (blue-blind)

#0091A2

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3b78e2;
/* rgb */ color: rgb(59, 120, 226);
/* oklch */ color: oklch(58.9% 0.173 260.6);

Tailwind

colors: {
  custom: {
    50: '#869eec',
    500: '#3b78e2',
    950: '#000000',
  },
}

SCSS

$custom: #3b78e2;
$custom-light: #869eec;
$custom-dark: #000000;

JSON

{
  "hex": "#3b78e2",
  "rgb": {
    "r": 59,
    "g": 120,
    "b": 226
  },
  "hsl": {
    "h": 218.084,
    "s": 74.222,
    "l": 55.882
  },
  "oklch": {
    "l": 0.58866,
    "c": 0.1735,
    "h": 260.6
  },
  "luminance": 0.19854
}

Semantic roles & 50–950 ramp

primary

#3B78E2

secondary

#DFC69A

accent

#AD37F1

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #3B78E2

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

Preview Lab → · Contrast checker → · Palette generator →