#3E78CC#3E78CC

#3E78CC is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.5% C 0.143 H 257.8°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3E78CC
RGB	rgb(62, 120, 204)
HSL	hsl(215, 58%, 52%)
HSV	hsv(215, 70%, 80%)
CMYK	cmyk(69.6%, 41.2%, 0%, 20%)
CIE-LAB	lab(50.47, 8.88, -49.10)
CIE-LCH	lch(50.47, 49.90, 280.25°)
OKLab	oklab(57.55% -0.0302 -0.1401)
OKLCH	oklch(57.55% 0.143 257.8)
XYZ	xyz(19.5982, 18.8147, 59.7138)
Luminance	0.1882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E78CC #CC923E

analogous

#3EBFCC #3E78CC #4B3ECC

triadic

#3E78CC #CC3E78 #78CC3E

tetradic

#3E78CC #CC3EBF #CC923E #3ECC4B

square

#3E78CC #CC3EBF #CC923E #3ECC4B

split-complementary

#3E78CC #CC4B3E #BFCC3E

monochromatic

#1E4072 #2B5BA2 #3E78CC #6E9AD9 #9FBCE6

Accessibility & contrast

On white

4.41

#3E78CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#3E78CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E78CC

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E78CC	#FFFFFF	#000000	##000000
##3E78CC	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#517FCF

Deuteranopia (green-blind)

#3A72CA

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3e78cc;
/* rgb */ color: rgb(62, 120, 204);
/* oklch */ color: oklch(57.5% 0.143 257.8);

Tailwind

colors: {
  custom: {
    50: '#839edc',
    500: '#3e78cc',
    950: '#000000',
  },
}

SCSS

$custom: #3e78cc;
$custom-light: #839edc;
$custom-dark: #000000;

JSON

{
  "hex": "#3e78cc",
  "rgb": {
    "r": 62,
    "g": 120,
    "b": 204
  },
  "hsl": {
    "h": 215.493,
    "s": 58.197,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57549,
    "c": 0.14336,
    "h": 257.8
  },
  "luminance": 0.18817
}

Semantic roles & 50–950 ramp

primary

#3E78CC

secondary

#D2B994

accent

#A246E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3E78CC

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

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