#3D73BB#3D73BB

#3D73BB is a mid, vivid cyan. Relative luminance 0.168; OKLCH L 55.4% C 0.126 H 256.3°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#3D73BB
RGB	rgb(61, 115, 187)
HSL	hsl(214, 51%, 49%)
HSV	hsv(214, 67%, 73%)
CMYK	cmyk(67.4%, 38.5%, 0%, 26.7%)
CIE-LAB	lab(48.06, 5.72, -43.19)
CIE-LCH	lch(48.06, 43.57, 277.55°)
OKLab	oklab(55.36% -0.0299 -0.1229)
OKLCH	oklch(55.36% 0.126 256.3)
XYZ	xyz(17.0216, 16.8397, 49.3574)
Luminance	0.1684 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D73BB #BB853D

analogous

#3DB2BB #3D73BB #463DBB

triadic

#3D73BB #BB3D73 #73BB3D

tetradic

#3D73BB #BB3DB2 #BB853D #3DBB46

square

#3D73BB #BB3DB2 #BB853D #3DBB46

split-complementary

#3D73BB #BB463D #B2BB3D

monochromatic

#1F3A5F #2E578D #3D73BB #6893CE #96B4DD

Accessibility & contrast

On white

4.81

#3D73BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#3D73BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D73BB

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D73BB	#FFFFFF	#000000	##FFFFFF
##3D73BB	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5378BE

Deuteranopia (green-blind)

#406DBA

Tritanopia (blue-blind)

#00848E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3d73bb;
/* rgb */ color: rgb(61, 115, 187);
/* oklch */ color: oklch(55.4% 0.126 256.3);

Tailwind

colors: {
  custom: {
    50: '#809ad0',
    500: '#3d73bb',
    950: '#000000',
  },
}

SCSS

$custom: #3d73bb;
$custom-light: #809ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d73bb",
  "rgb": {
    "r": 61,
    "g": 115,
    "b": 187
  },
  "hsl": {
    "h": 214.286,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.55357,
    "c": 0.12648,
    "h": 256.3
  },
  "luminance": 0.16841
}

Semantic roles & 50–950 ramp

primary

#3D73BB

secondary

#C8AE8C

accent

#9E4EDA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3D73BB

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

Preview Lab → · Contrast checker → · Palette generator →