#3D73BC#3D73BC

#3D73BC is a mid, vivid cyan. Relative luminance 0.169; OKLCH L 55.4% C 0.128 H 256.6°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3D73BC
RGB	rgb(61, 115, 188)
HSL	hsl(214, 51%, 49%)
HSV	hsv(214, 68%, 74%)
CMYK	cmyk(67.6%, 38.8%, 0%, 26.3%)
CIE-LAB	lab(48.11, 6.08, -43.68)
CIE-LCH	lch(48.11, 44.10, 277.92°)
OKLab	oklab(55.42% -0.0297 -0.1243)
OKLCH	oklch(55.42% 0.128 256.6)
XYZ	xyz(17.1290, 16.8827, 49.9232)
Luminance	0.1688 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D73BC #BC863D

analogous

#3DB3BC #3D73BC #473DBC

triadic

#3D73BC #BC3D73 #73BC3D

tetradic

#3D73BC #BC3DB3 #BC863D #3DBC47

square

#3D73BC #BC3DB3 #BC863D #3DBC47

split-complementary

#3D73BC #BC473D #B3BC3D

monochromatic

#1F3A60 #2E578E #3D73BC #6893CE #96B4DD

Accessibility & contrast

On white

4.80

#3D73BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#3D73BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D73BC

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D73BC	#FFFFFF	#000000	##FFFFFF
##3D73BC	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5279BF

Deuteranopia (green-blind)

#3F6DBB

Tritanopia (blue-blind)

#00848E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3d73bc;
/* rgb */ color: rgb(61, 115, 188);
/* oklch */ color: oklch(55.4% 0.128 256.6);

Tailwind

colors: {
  custom: {
    50: '#809ad0',
    500: '#3d73bc',
    950: '#000000',
  },
}

SCSS

$custom: #3d73bc;
$custom-light: #809ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d73bc",
  "rgb": {
    "r": 61,
    "g": 115,
    "b": 188
  },
  "hsl": {
    "h": 214.488,
    "s": 51.004,
    "l": 48.824
  },
  "oklch": {
    "l": 0.55417,
    "c": 0.12782,
    "h": 256.6
  },
  "luminance": 0.16884
}

Semantic roles & 50–950 ramp

primary

#3D73BC

secondary

#C9AF8C

accent

#9E4DDA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3D73BC

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

Preview Lab → · Contrast checker → · Palette generator →