#3E78C8#3E78C8

#3E78C8 is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.3% C 0.138 H 257.0°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3E78C8
RGB	rgb(62, 120, 200)
HSL	hsl(215, 56%, 51%)
HSV	hsv(215, 69%, 78%)
CMYK	cmyk(69%, 40%, 0%, 21.6%)
CIE-LAB	lab(50.25, 7.45, -47.18)
CIE-LCH	lch(50.25, 47.76, 278.97°)
OKLab	oklab(57.3% -0.031 -0.1345)
OKLCH	oklch(57.3% 0.138 257)
XYZ	xyz(19.1246, 18.6252, 57.2195)
Luminance	0.1863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E78C8 #C88E3E

analogous

#3EBDC8 #3E78C8 #493EC8

triadic

#3E78C8 #C83E78 #78C83E

tetradic

#3E78C8 #C83EBD #C88E3E #3EC849

square

#3E78C8 #C83EBD #C88E3E #3EC849

split-complementary

#3E78C8 #C8493E #BDC83E

monochromatic

#1F406D #2D5B9C #3E78C8 #6E99D6 #9DBBE3

Accessibility & contrast

On white

4.44

#3E78C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#3E78C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E78C8

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E78C8	#FFFFFF	#000000	##000000
##3E78C8	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#537FCB

Deuteranopia (green-blind)

#3E72C6

Tritanopia (blue-blind)

#008B96

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3e78c8;
/* rgb */ color: rgb(62, 120, 200);
/* oklch */ color: oklch(57.3% 0.138 257.0);

Tailwind

colors: {
  custom: {
    50: '#839ed9',
    500: '#3e78c8',
    950: '#000000',
  },
}

SCSS

$custom: #3e78c8;
$custom-light: #839ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#3e78c8",
  "rgb": {
    "r": 62,
    "g": 120,
    "b": 200
  },
  "hsl": {
    "h": 214.783,
    "s": 55.645,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57302,
    "c": 0.13803,
    "h": 257
  },
  "luminance": 0.18627
}

Semantic roles & 50–950 ramp

primary

#3E78C8

secondary

#CFB692

accent

#A049DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3E78C8

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

Preview Lab → · Contrast checker → · Palette generator →