#3D78BC#3D78BC

#3D78BC is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.5% C 0.123 H 253.6°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3D78BC
RGB	rgb(61, 120, 188)
HSL	hsl(212, 51%, 49%)
HSV	hsv(212, 68%, 74%)
CMYK	cmyk(67.6%, 36.2%, 0%, 26.3%)
CIE-LAB	lab(49.56, 3.01, -41.38)
CIE-LCH	lch(49.56, 41.49, 274.16°)
OKLab	oklab(56.55% -0.0347 -0.1175)
OKLCH	oklch(56.55% 0.123 253.6)
XYZ	xyz(17.7147, 18.0541, 50.1184)
Luminance	0.1806 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D78BC #BC813D

analogous

#3DB8BC #3D78BC #423DBC

triadic

#3D78BC #BC3D78 #78BC3D

tetradic

#3D78BC #BC3DB8 #BC813D #3DBC42

square

#3D78BC #BC3DB8 #BC813D #3DBC42

split-complementary

#3D78BC #BC423D #B8BC3D

monochromatic

#1F3D60 #2E5B8E #3D78BC #6897CE #96B7DD

Accessibility & contrast

On white

4.55

#3D78BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3D78BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D78BC

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D78BC	#FFFFFF	#000000	##000000
##3D78BC	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7CBF

Deuteranopia (green-blind)

#4870BB

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3d78bc;
/* rgb */ color: rgb(61, 120, 188);
/* oklch */ color: oklch(56.5% 0.123 253.6);

Tailwind

colors: {
  custom: {
    50: '#809ed0',
    500: '#3d78bc',
    950: '#000000',
  },
}

SCSS

$custom: #3d78bc;
$custom-light: #809ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d78bc",
  "rgb": {
    "r": 61,
    "g": 120,
    "b": 188
  },
  "hsl": {
    "h": 212.126,
    "s": 51.004,
    "l": 48.824
  },
  "oklch": {
    "l": 0.56548,
    "c": 0.12255,
    "h": 253.6
  },
  "luminance": 0.18056
}

Semantic roles & 50–950 ramp

primary

#3D78BC

secondary

#C9AD8C

accent

#994DDA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3D78BC

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

Preview Lab → · Contrast checker → · Palette generator →