#3D73B3#3D73B3

#3D73B3 is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.9% C 0.116 H 254.0°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#3D73B3
RGB	rgb(61, 115, 179)
HSL	hsl(213, 49%, 47%)
HSV	hsv(213, 66%, 70%)
CMYK	cmyk(65.9%, 35.8%, 0%, 29.8%)
CIE-LAB	lab(47.63, 2.88, -39.23)
CIE-LCH	lch(47.63, 39.34, 274.20°)
OKLab	oklab(54.89% -0.0319 -0.1113)
OKLCH	oklch(54.89% 0.116 254)
XYZ	xyz(16.1889, 16.5066, 44.9720)
Luminance	0.1651 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D73B3 #B37D3D

analogous

#3DAEB3 #3D73B3 #423DB3

triadic

#3D73B3 #B33D73 #73B33D

tetradic

#3D73B3 #B33DAE #B37D3D #3DB342

square

#3D73B3 #B33DAE #B37D3D #3DB342

split-complementary

#3D73B3 #B3423D #AEB33D

monochromatic

#1E3858 #2D5685 #3D73B3 #6392CA #91B2D9

Accessibility & contrast

On white

4.88

#3D73B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#3D73B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D73B3

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D73B3	#FFFFFF	#000000	##FFFFFF
##3D73B3	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5777B6

Deuteranopia (green-blind)

#466CB2

Tritanopia (blue-blind)

#00828A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3d73b3;
/* rgb */ color: rgb(61, 115, 179);
/* oklch */ color: oklch(54.9% 0.116 254.0);

Tailwind

colors: {
  custom: {
    50: '#7f9aca',
    500: '#3d73b3',
    950: '#000000',
  },
}

SCSS

$custom: #3d73b3;
$custom-light: #7f9aca;
$custom-dark: #000000;

JSON

{
  "hex": "#3d73b3",
  "rgb": {
    "r": 61,
    "g": 115,
    "b": 179
  },
  "hsl": {
    "h": 212.542,
    "s": 49.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.54887,
    "c": 0.11579,
    "h": 254
  },
  "luminance": 0.16508
}

Semantic roles & 50–950 ramp

primary

#3D73B3

secondary

#C5A887

accent

#9A4FD9

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3D73B3

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

Preview Lab → · Contrast checker → · Palette generator →