#3D65BB#3D65BB

#3D65BB is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.3% C 0.143 H 263.5°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#3D65BB
RGB	rgb(61, 101, 187)
HSL	hsl(221, 51%, 49%)
HSV	hsv(221, 67%, 73%)
CMYK	cmyk(67.4%, 46%, 0%, 26.7%)
CIE-LAB	lab(44.07, 14.52, -49.56)
CIE-LCH	lch(44.07, 51.64, 286.33°)
OKLab	oklab(52.27% -0.0162 -0.1418)
OKLCH	oklch(52.27% 0.143 263.5)
XYZ	xyz(15.5446, 13.8858, 48.8651)
Luminance	0.1389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D65BB #BB933D

analogous

#3DA4BB #3D65BB #543DBB

triadic

#3D65BB #BB3D65 #65BB3D

tetradic

#3D65BB #BB3DA4 #BB933D #3DBB54

square

#3D65BB #BB3DA4 #BB933D #3DBB54

split-complementary

#3D65BB #BB543D #A4BB3D

monochromatic

#1F335F #2E4C8D #3D65BB #6888CE #96ACDD

Accessibility & contrast

On white

5.56

#3D65BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#3D65BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D65BB

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D65BB	#FFFFFF	#000000	##FFFFFF
##3D65BB	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6EBE

Deuteranopia (green-blind)

#2263B9

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3d65bb;
/* rgb */ color: rgb(61, 101, 187);
/* oklch */ color: oklch(52.3% 0.143 263.5);

Tailwind

colors: {
  custom: {
    50: '#8090d0',
    500: '#3d65bb',
    950: '#000000',
  },
}

SCSS

$custom: #3d65bb;
$custom-light: #8090d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d65bb",
  "rgb": {
    "r": 61,
    "g": 101,
    "b": 187
  },
  "hsl": {
    "h": 220.952,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.52273,
    "c": 0.14271,
    "h": 263.5
  },
  "luminance": 0.13887
}

Semantic roles & 50–950 ramp

primary

#3D65BB

secondary

#C8B58C

accent

#AE4EDA

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3D65BB

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

Preview Lab → · Contrast checker → · Palette generator →