#3D78C2#3D78C2

#3D78C2 is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.9% C 0.130 H 255.3°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3D78C2
RGB	rgb(61, 120, 194)
HSL	hsl(213, 52%, 50%)
HSV	hsv(213, 69%, 76%)
CMYK	cmyk(68.6%, 38.1%, 0%, 23.9%)
CIE-LAB	lab(49.88, 5.15, -44.33)
CIE-LCH	lch(49.88, 44.63, 276.62°)
OKLab	oklab(56.9% -0.0332 -0.1262)
OKLCH	oklch(56.9% 0.13 255.3)
XYZ	xyz(18.3750, 18.3182, 53.5959)
Luminance	0.1832 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D78C2 #C2873D

analogous

#3DBBC2 #3D78C2 #443DC2

triadic

#3D78C2 #C23D78 #78C23D

tetradic

#3D78C2 #C23DBB #C2873D #3DC244

square

#3D78C2 #C23DBB #C2873D #3DC244

split-complementary

#3D78C2 #C2443D #BBC23D

monochromatic

#203E65 #2E5B93 #3D78C2 #6C98D1 #9AB9DF

Accessibility & contrast

On white

4.50

#3D78C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#3D78C2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D78C2

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D78C2	#FFFFFF	#000000	##000000
##3D78C2	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#577DC5

Deuteranopia (green-blind)

#4371C1

Tritanopia (blue-blind)

#008994

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3d78c2;
/* rgb */ color: rgb(61, 120, 194);
/* oklch */ color: oklch(56.9% 0.130 255.3);

Tailwind

colors: {
  custom: {
    50: '#819ed5',
    500: '#3d78c2',
    950: '#000000',
  },
}

SCSS

$custom: #3d78c2;
$custom-light: #819ed5;
$custom-dark: #000000;

JSON

{
  "hex": "#3d78c2",
  "rgb": {
    "r": 61,
    "g": 120,
    "b": 194
  },
  "hsl": {
    "h": 213.383,
    "s": 52.157,
    "l": 50
  },
  "oklch": {
    "l": 0.569,
    "c": 0.13044,
    "h": 255.3
  },
  "luminance": 0.1832
}

Semantic roles & 50–950 ramp

primary

#3D78C2

secondary

#CBB190

accent

#9C4CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3D78C2

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

Preview Lab → · Contrast checker → · Palette generator →