#3D55C8#3D55C8

#3D55C8 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.0% C 0.180 H 269.7°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#3D55C8
RGB	rgb(61, 85, 200)
HSL	hsl(230, 56%, 51%)
HSV	hsv(230, 70%, 78%)
CMYK	cmyk(69.5%, 57.5%, 0%, 21.6%)
CIE-LAB	lab(40.67, 29.47, -62.60)
CIE-LCH	lch(40.67, 69.19, 295.21°)
OKLab	oklab(49.98% -0.0009 -0.1804)
OKLCH	oklch(49.98% 0.18 269.7)
XYZ	xyz(15.5947, 11.6577, 56.0607)
Luminance	0.1166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D55C8 #C8B03D

analogous

#3D9AC8 #3D55C8 #6A3DC8

triadic

#3D55C8 #C83D55 #55C83D

tetradic

#3D55C8 #C83D9A #C8B03D #3DC86A

square

#3D55C8 #C83D9A #C8B03D #3DC86A

split-complementary

#3D55C8 #C86A3D #9AC83D

monochromatic

#1F2C6C #2C3F9C #3D55C8 #6D7FD6 #9CA9E3

Accessibility & contrast

On white

6.30

#3D55C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#3D55C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D55C8

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D55C8	#FFFFFF	#000000	##FFFFFF
##3D55C8	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CC

Deuteranopia (green-blind)

#005AC6

Tritanopia (blue-blind)

#007186

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3d55c8;
/* rgb */ color: rgb(61, 85, 200);
/* oklch */ color: oklch(50.0% 0.180 269.7);

Tailwind

colors: {
  custom: {
    50: '#8484da',
    500: '#3d55c8',
    950: '#000000',
  },
}

SCSS

$custom: #3d55c8;
$custom-light: #8484da;
$custom-dark: #000000;

JSON

{
  "hex": "#3d55c8",
  "rgb": {
    "r": 61,
    "g": 85,
    "b": 200
  },
  "hsl": {
    "h": 229.64,
    "s": 55.823,
    "l": 51.176
  },
  "oklch": {
    "l": 0.4998,
    "c": 0.18038,
    "h": 269.7
  },
  "luminance": 0.11659
}

Semantic roles & 50–950 ramp

primary

#3D55C8

secondary

#CFC592

accent

#C549DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3D55C8

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

Preview Lab → · Contrast checker → · Palette generator →