#3D55CC#3D55CC

#3D55CC is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.3% C 0.186 H 269.8°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#3D55CC
RGB	rgb(61, 85, 204)
HSL	hsl(230, 58%, 52%)
HSV	hsv(230, 70%, 80%)
CMYK	cmyk(70.1%, 58.3%, 0%, 20%)
CIE-LAB	lab(40.97, 30.90, -64.41)
CIE-LCH	lch(40.97, 71.44, 295.63°)
OKLab	oklab(50.3% -0.0008 -0.1857)
OKLCH	oklch(50.3% 0.186 269.8)
XYZ	xyz(16.0683, 11.8471, 58.5549)
Luminance	0.1185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D55CC #CCB43D

analogous

#3D9DCC #3D55CC #6D3DCC

triadic

#3D55CC #CC3D55 #55CC3D

tetradic

#3D55CC #CC3D9D #CCB43D #3DCC6D

square

#3D55CC #CC3D9D #CCB43D #3DCC6D

split-complementary

#3D55CC #CC6D3D #9DCC3D

monochromatic

#1E2C71 #2A3EA1 #3D55CC #6D7FD9 #9EAAE5

Accessibility & contrast

On white

6.23

#3D55CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#3D55CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D55CC

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D55CC	#FFFFFF	#000000	##FFFFFF
##3D55CC	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D0

Deuteranopia (green-blind)

#005ACA

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3d55cc;
/* rgb */ color: rgb(61, 85, 204);
/* oklch */ color: oklch(50.3% 0.186 269.8);

Tailwind

colors: {
  custom: {
    50: '#8484dc',
    500: '#3d55cc',
    950: '#000000',
  },
}

SCSS

$custom: #3d55cc;
$custom-light: #8484dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3d55cc",
  "rgb": {
    "r": 61,
    "g": 85,
    "b": 204
  },
  "hsl": {
    "h": 229.93,
    "s": 58.367,
    "l": 51.961
  },
  "oklch": {
    "l": 0.50304,
    "c": 0.18572,
    "h": 269.8
  },
  "luminance": 0.11849
}

Semantic roles & 50–950 ramp

primary

#3D55CC

secondary

#D2C793

accent

#C846E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3D55CC

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

Preview Lab → · Contrast checker → · Palette generator →