#3C78D2#3C78D2

#3C78D2 is a mid, vivid blue. Relative luminance 0.190; OKLCH L 57.8% C 0.152 H 258.5°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#3C78D2
RGB	rgb(60, 120, 210)
HSL	hsl(216, 63%, 53%)
HSV	hsv(216, 71%, 82%)
CMYK	cmyk(71.4%, 42.9%, 0%, 17.6%)
CIE-LAB	lab(50.74, 10.76, -52.09)
CIE-LCH	lch(50.74, 53.19, 281.67°)
OKLab	oklab(57.85% -0.0304 -0.1489)
OKLCH	oklch(57.85% 0.152 258.5)
XYZ	xyz(20.2086, 19.0446, 63.5712)
Luminance	0.1905 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C78D2 #D2963C

analogous

#3CC3D2 #3C78D2 #4B3CD2

triadic

#3C78D2 #D23C78 #78D23C

tetradic

#3C78D2 #D23CC3 #D2963C #3CD24B

square

#3C78D2 #D23CC3 #D2963C #3CD24B

split-complementary

#3C78D2 #D24B3C #C3D23C

monochromatic

#1C4178 #275BAA #3C78D2 #6E9ADD #9FBDE9

Accessibility & contrast

On white

4.37

#3C78D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#3C78D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C78D2

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C78D2	#FFFFFF	#000000	##000000
##3C78D2	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C80D5

Deuteranopia (green-blind)

#3272D0

Tritanopia (blue-blind)

#008D9B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3c78d2;
/* rgb */ color: rgb(60, 120, 210);
/* oklch */ color: oklch(57.8% 0.152 258.5);

Tailwind

colors: {
  custom: {
    50: '#849ee0',
    500: '#3c78d2',
    950: '#000000',
  },
}

SCSS

$custom: #3c78d2;
$custom-light: #849ee0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c78d2",
  "rgb": {
    "r": 60,
    "g": 120,
    "b": 210
  },
  "hsl": {
    "h": 216,
    "s": 62.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57848,
    "c": 0.15202,
    "h": 258.5
  },
  "luminance": 0.19047
}

Semantic roles & 50–950 ramp

primary

#3C78D2

secondary

#D5BB94

accent

#A442E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3C78D2

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

Preview Lab → · Contrast checker → · Palette generator →