#3D78B5#3D78B5

#3D78B5 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 56.1% C 0.113 H 251.2°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3D78B5
RGB	rgb(61, 120, 181)
HSL	hsl(211, 50%, 47%)
HSV	hsv(211, 66%, 71%)
CMYK	cmyk(66.3%, 33.7%, 0%, 29%)
CIE-LAB	lab(49.20, 0.55, -37.91)
CIE-LCH	lch(49.20, 37.92, 270.82°)
OKLab	oklab(56.15% -0.0366 -0.1074)
OKLCH	oklch(56.15% 0.113 251.2)
XYZ	xyz(16.9784, 17.7595, 46.2403)
Luminance	0.1776 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D78B5 #B57A3D

analogous

#3DB4B5 #3D78B5 #3E3DB5

triadic

#3D78B5 #B53D78 #78B53D

tetradic

#3D78B5 #B53DB4 #B57A3D #3DB53E

square

#3D78B5 #B53DB4 #B57A3D #3DB53E

split-complementary

#3D78B5 #B53E3D #B4B53D

monochromatic

#1E3B59 #2E5A87 #3D78B5 #6497CB #92B6DA

Accessibility & contrast

On white

4.61

#3D78B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#3D78B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3D78B5

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D78B5	#FFFFFF	#000000	##FFFFFF
##3D78B5	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7BB8

Deuteranopia (green-blind)

#4D70B4

Tritanopia (blue-blind)

#00868E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3d78b5;
/* rgb */ color: rgb(61, 120, 181);
/* oklch */ color: oklch(56.1% 0.113 251.2);

Tailwind

colors: {
  custom: {
    50: '#7f9ecb',
    500: '#3d78b5',
    950: '#000000',
  },
}

SCSS

$custom: #3d78b5;
$custom-light: #7f9ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#3d78b5",
  "rgb": {
    "r": 61,
    "g": 120,
    "b": 181
  },
  "hsl": {
    "h": 210.5,
    "s": 49.587,
    "l": 47.451
  },
  "oklch": {
    "l": 0.5615,
    "c": 0.11345,
    "h": 251.2
  },
  "luminance": 0.17761
}

Semantic roles & 50–950 ramp

primary

#3D78B5

secondary

#C5A788

accent

#954FD9

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3D78B5

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

Preview Lab → · Contrast checker → · Palette generator →