#3D65CB#3D65CB

#3D65CB is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.4% C 0.165 H 265.1°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#3D65CB
RGB	rgb(61, 101, 203)
HSL	hsl(223, 58%, 52%)
HSV	hsv(223, 70%, 80%)
CMYK	cmyk(70%, 50.2%, 0%, 20.4%)
CIE-LAB	lab(45.09, 20.32, -57.16)
CIE-LCH	lch(45.09, 60.66, 289.57°)
OKLab	oklab(53.39% -0.014 -0.1641)
OKLCH	oklch(53.39% 0.165 265.1)
XYZ	xyz(17.3539, 14.6095, 58.3937)
Luminance	0.1461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D65CB #CBA33D

analogous

#3DACCB #3D65CB #5C3DCB

triadic

#3D65CB #CB3D65 #65CB3D

tetradic

#3D65CB #CB3DAC #CBA33D #3DCB5C

square

#3D65CB #CB3DAC #CBA33D #3DCB5C

split-complementary

#3D65CB #CB5C3D #ACCB3D

monochromatic

#1E3570 #2B4CA0 #3D65CB #6D8BD8 #9EB2E5

Accessibility & contrast

On white

5.35

#3D65CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#3D65CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D65CB

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D65CB	#FFFFFF	#000000	##FFFFFF
##3D65CB	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2972CF

Deuteranopia (green-blind)

#0065C9

Tritanopia (blue-blind)

#007D8E

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3d65cb;
/* rgb */ color: rgb(61, 101, 203);
/* oklch */ color: oklch(53.4% 0.165 265.1);

Tailwind

colors: {
  custom: {
    50: '#8390db',
    500: '#3d65cb',
    950: '#000000',
  },
}

SCSS

$custom: #3d65cb;
$custom-light: #8390db;
$custom-dark: #000000;

JSON

{
  "hex": "#3d65cb",
  "rgb": {
    "r": 61,
    "g": 101,
    "b": 203
  },
  "hsl": {
    "h": 223.099,
    "s": 57.724,
    "l": 51.765
  },
  "oklch": {
    "l": 0.53386,
    "c": 0.16473,
    "h": 265.1
  },
  "luminance": 0.14611
}

Semantic roles & 50–950 ramp

primary

#3D65CB

secondary

#D1C093

accent

#B647E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3D65CB

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

Preview Lab → · Contrast checker → · Palette generator →