#3D78BB#3D78BB

#3D78BB is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.5% C 0.121 H 253.3°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3D78BB
RGB	rgb(61, 120, 187)
HSL	hsl(212, 51%, 49%)
HSV	hsv(212, 67%, 73%)
CMYK	cmyk(67.4%, 35.8%, 0%, 26.7%)
CIE-LAB	lab(49.51, 2.66, -40.89)
CIE-LCH	lch(49.51, 40.98, 273.72°)
OKLab	oklab(56.49% -0.0349 -0.1161)
OKLCH	oklch(56.49% 0.121 253.3)
XYZ	xyz(17.6073, 18.0111, 49.5526)
Luminance	0.1801 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D78BB #BB803D

analogous

#3DB7BB #3D78BB #413DBB

triadic

#3D78BB #BB3D78 #78BB3D

tetradic

#3D78BB #BB3DB7 #BB803D #3DBB41

square

#3D78BB #BB3DB7 #BB803D #3DBB41

split-complementary

#3D78BB #BB413D #B7BB3D

monochromatic

#1F3D5F #2E5A8D #3D78BB #6897CE #96B7DD

Accessibility & contrast

On white

4.56

#3D78BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#3D78BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D78BB

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D78BB	#FFFFFF	#000000	##000000
##3D78BB	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7CBE

Deuteranopia (green-blind)

#4870BA

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3d78bb;
/* rgb */ color: rgb(61, 120, 187);
/* oklch */ color: oklch(56.5% 0.121 253.3);

Tailwind

colors: {
  custom: {
    50: '#809ed0',
    500: '#3d78bb',
    950: '#000000',
  },
}

SCSS

$custom: #3d78bb;
$custom-light: #809ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d78bb",
  "rgb": {
    "r": 61,
    "g": 120,
    "b": 187
  },
  "hsl": {
    "h": 211.905,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.5649,
    "c": 0.12123,
    "h": 253.3
  },
  "luminance": 0.18013
}

Semantic roles & 50–950 ramp

primary

#3D78BB

secondary

#C8AC8C

accent

#984EDA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3D78BB

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

Preview Lab → · Contrast checker → · Palette generator →