#3D50CB#3D50CB

#3D50CB is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.3% C 0.190 H 270.9°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#3D50CB
RGB	rgb(61, 80, 203)
HSL	hsl(232, 58%, 52%)
HSV	hsv(232, 70%, 80%)
CMYK	cmyk(70%, 60.6%, 0%, 20.4%)
CIE-LAB	lab(39.65, 33.72, -65.99)
CIE-LCH	lch(39.65, 74.11, 297.06°)
OKLab	oklab(49.3% 0.003 -0.1904)
OKLCH	oklch(49.3% 0.19 270.9)
XYZ	xyz(15.5690, 11.0397, 57.7987)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D50CB #CBB83D

analogous

#3D97CB #3D50CB #713DCB

triadic

#3D50CB #CB3D50 #50CB3D

tetradic

#3D50CB #CB3D97 #CBB83D #3DCB71

square

#3D50CB #CB3D97 #CBB83D #3DCB71

split-complementary

#3D50CB #CB713D #97CB3D

monochromatic

#1E2970 #2B3BA0 #3D50CB #6D7CD8 #9EA7E5

Accessibility & contrast

On white

6.55

#3D50CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#3D50CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D50CB

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D50CB	#FFFFFF	#000000	##FFFFFF
##3D50CB	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CF

Deuteranopia (green-blind)

#0057C9

Tritanopia (blue-blind)

#006F86

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3d50cb;
/* rgb */ color: rgb(61, 80, 203);
/* oklch */ color: oklch(49.3% 0.190 270.9);

Tailwind

colors: {
  custom: {
    50: '#8581dc',
    500: '#3d50cb',
    950: '#000000',
  },
}

SCSS

$custom: #3d50cb;
$custom-light: #8581dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3d50cb",
  "rgb": {
    "r": 61,
    "g": 80,
    "b": 203
  },
  "hsl": {
    "h": 231.972,
    "s": 57.724,
    "l": 51.765
  },
  "oklch": {
    "l": 0.49295,
    "c": 0.19044,
    "h": 270.9
  },
  "luminance": 0.11041
}

Semantic roles & 50–950 ramp

primary

#3D50CB

secondary

#D1C993

accent

#CC47E1

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3D50CB

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

Preview Lab → · Contrast checker → · Palette generator →