#3C78CE#3C78CE

#3C78CE is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.6% C 0.147 H 257.7°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3C78CE
RGB	rgb(60, 120, 206)
HSL	hsl(215, 60%, 52%)
HSV	hsv(215, 71%, 81%)
CMYK	cmyk(70.9%, 41.7%, 0%, 19.2%)
CIE-LAB	lab(50.51, 9.31, -50.19)
CIE-LCH	lch(50.51, 51.04, 280.51°)
OKLab	oklab(57.6% -0.0312 -0.1433)
OKLCH	oklch(57.6% 0.147 257.7)
XYZ	xyz(19.7165, 18.8477, 60.9794)
Luminance	0.1885 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C78CE #CE923C

analogous

#3CC1CE #3C78CE #493CCE

triadic

#3C78CE #CE3C78 #78CE3C

tetradic

#3C78CE #CE3CC1 #CE923C #3CCE49

square

#3C78CE #CE3CC1 #CE923C #3CCE49

split-complementary

#3C78CE #CE493C #C1CE3C

monochromatic

#1D4073 #295BA4 #3C78CE #6D9ADA #9EBCE7

Accessibility & contrast

On white

4.40

#3C78CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#3C78CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C78CE

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C78CE	#FFFFFF	#000000	##000000
##3C78CE	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F80D1

Deuteranopia (green-blind)

#3672CC

Tritanopia (blue-blind)

#008C99

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3c78ce;
/* rgb */ color: rgb(60, 120, 206);
/* oklch */ color: oklch(57.6% 0.147 257.7);

Tailwind

colors: {
  custom: {
    50: '#839edd',
    500: '#3c78ce',
    950: '#000000',
  },
}

SCSS

$custom: #3c78ce;
$custom-light: #839edd;
$custom-dark: #000000;

JSON

{
  "hex": "#3c78ce",
  "rgb": {
    "r": 60,
    "g": 120,
    "b": 206
  },
  "hsl": {
    "h": 215.342,
    "s": 59.836,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57595,
    "c": 0.14671,
    "h": 257.7
  },
  "luminance": 0.1885
}

Semantic roles & 50–950 ramp

primary

#3C78CE

secondary

#D3B993

accent

#A245E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3C78CE

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

Preview Lab → · Contrast checker → · Palette generator →