#3D5FB3#3D5FB3

#3D5FB3 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.4% C 0.139 H 265.2°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#3D5FB3
RGB	rgb(61, 95, 179)
HSL	hsl(223, 49%, 47%)
HSV	hsv(223, 66%, 70%)
CMYK	cmyk(65.9%, 46.9%, 0%, 29.8%)
CIE-LAB	lab(41.89, 15.47, -48.38)
CIE-LCH	lch(41.89, 50.79, 287.73°)
OKLab	oklab(50.44% -0.0116 -0.1384)
OKLCH	oklch(50.44% 0.139 265.2)
XYZ	xyz(14.1505, 12.4299, 44.2926)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D5FB3 #B3913D

analogous

#3D9AB3 #3D5FB3 #563DB3

triadic

#3D5FB3 #B33D5F #5FB33D

tetradic

#3D5FB3 #B33D9A #B3913D #3DB356

square

#3D5FB3 #B33D9A #B3913D #3DB356

split-complementary

#3D5FB3 #B3563D #9AB33D

monochromatic

#1E2F58 #2D4785 #3D5FB3 #6381CA #91A6D9

Accessibility & contrast

On white

6.02

#3D5FB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#3D5FB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D5FB3

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D5FB3	#FFFFFF	#000000	##FFFFFF
##3D5FB3	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3569B6

Deuteranopia (green-blind)

#1E5EB1

Tritanopia (blue-blind)

#007280

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3d5fb3;
/* rgb */ color: rgb(61, 95, 179);
/* oklch */ color: oklch(50.4% 0.139 265.2);

Tailwind

colors: {
  custom: {
    50: '#7f8bca',
    500: '#3d5fb3',
    950: '#000000',
  },
}

SCSS

$custom: #3d5fb3;
$custom-light: #7f8bca;
$custom-dark: #000000;

JSON

{
  "hex": "#3d5fb3",
  "rgb": {
    "r": 61,
    "g": 95,
    "b": 179
  },
  "hsl": {
    "h": 222.712,
    "s": 49.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.50444,
    "c": 0.1389,
    "h": 265.2
  },
  "luminance": 0.12431
}

Semantic roles & 50–950 ramp

primary

#3D5FB3

secondary

#C5B387

accent

#B14FD9

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3D5FB3

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

Preview Lab → · Contrast checker → · Palette generator →