#3D50B5#3D50B5

#3D50B5 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.5% C 0.161 H 271.0°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#3D50B5
RGB	rgb(61, 80, 181)
HSL	hsl(231, 50%, 47%)
HSV	hsv(231, 66%, 71%)
CMYK	cmyk(66.3%, 55.8%, 0%, 29%)
CIE-LAB	lab(37.96, 25.90, -55.90)
CIE-LCH	lch(37.96, 61.61, 294.86°)
OKLab	oklab(47.51% 0.0027 -0.1607)
OKLCH	oklch(47.51% 0.161 271)
XYZ	xyz(13.1308, 10.0644, 44.9577)
Luminance	0.1007 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D50B5 #B5A23D

analogous

#3D8CB5 #3D50B5 #663DB5

triadic

#3D50B5 #B53D50 #50B53D

tetradic

#3D50B5 #B53D8C #B5A23D #3DB566

square

#3D50B5 #B53D8C #B5A23D #3DB566

split-complementary

#3D50B5 #B5663D #8CB53D

monochromatic

#1E2859 #2E3C87 #3D50B5 #6475CB #929EDA

Accessibility & contrast

On white

6.97

#3D50B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#3D50B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D50B5

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D50B5	#FFFFFF	#000000	##FFFFFF
##3D50B5	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FB8

Deuteranopia (green-blind)

#0054B3

Tritanopia (blue-blind)

#00687A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3d50b5;
/* rgb */ color: rgb(61, 80, 181);
/* oklch */ color: oklch(47.5% 0.161 271.0);

Tailwind

colors: {
  custom: {
    50: '#8080cc',
    500: '#3d50b5',
    950: '#000000',
  },
}

SCSS

$custom: #3d50b5;
$custom-light: #8080cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3d50b5",
  "rgb": {
    "r": 61,
    "g": 80,
    "b": 181
  },
  "hsl": {
    "h": 230.5,
    "s": 49.587,
    "l": 47.451
  },
  "oklch": {
    "l": 0.47507,
    "c": 0.16077,
    "h": 271
  },
  "luminance": 0.10066
}

Semantic roles & 50–950 ramp

primary

#3D50B5

secondary

#C5BC88

accent

#C34FD9

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3D50B5

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

Preview Lab → · Contrast checker → · Palette generator →