#3D5FB2#3D5FB2

#3D5FB2 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.4% C 0.137 H 265.1°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#3D5FB2
RGB	rgb(61, 95, 178)
HSL	hsl(223, 49%, 47%)
HSV	hsv(223, 66%, 70%)
CMYK	cmyk(65.7%, 46.6%, 0%, 30.2%)
CIE-LAB	lab(41.83, 15.11, -47.89)
CIE-LCH	lch(41.83, 50.22, 287.51°)
OKLab	oklab(50.38% -0.0118 -0.137)
OKLCH	oklch(50.38% 0.137 265.1)
XYZ	xyz(14.0498, 12.3896, 43.7619)
Luminance	0.1239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D5FB2 #B2903D

analogous

#3D9AB2 #3D5FB2 #563DB2

triadic

#3D5FB2 #B23D5F #5FB23D

tetradic

#3D5FB2 #B23D9A #B2903D #3DB256

square

#3D5FB2 #B23D9A #B2903D #3DB256

split-complementary

#3D5FB2 #B2563D #9AB23D

monochromatic

#1E2E57 #2D4784 #3D5FB2 #6381C9 #90A5D9

Accessibility & contrast

On white

6.04

#3D5FB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#3D5FB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D5FB2

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D5FB2	#FFFFFF	#000000	##FFFFFF
##3D5FB2	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3668B5

Deuteranopia (green-blind)

#205EB0

Tritanopia (blue-blind)

#007280

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3d5fb2;
/* rgb */ color: rgb(61, 95, 178);
/* oklch */ color: oklch(50.4% 0.137 265.1);

Tailwind

colors: {
  custom: {
    50: '#7f8bc9',
    500: '#3d5fb2',
    950: '#000000',
  },
}

SCSS

$custom: #3d5fb2;
$custom-light: #7f8bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3d5fb2",
  "rgb": {
    "r": 61,
    "g": 95,
    "b": 178
  },
  "hsl": {
    "h": 222.564,
    "s": 48.954,
    "l": 46.863
  },
  "oklch": {
    "l": 0.50376,
    "c": 0.13748,
    "h": 265.1
  },
  "luminance": 0.12391
}

Semantic roles & 50–950 ramp

primary

#3D5FB2

secondary

#C4B287

accent

#B14FD9

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3D5FB2

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

Preview Lab → · Contrast checker → · Palette generator →