#3B55CA#3B55CA

#3B55CA is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.0% C 0.184 H 269.1°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#3B55CA
RGB	rgb(59, 85, 202)
HSL	hsl(229, 57%, 51%)
HSV	hsv(229, 71%, 79%)
CMYK	cmyk(70.8%, 57.9%, 0%, 20.8%)
CIE-LAB	lab(40.72, 29.92, -63.68)
CIE-LCH	lch(40.72, 70.35, 295.17°)
OKLab	oklab(50.04% -0.0027 -0.1836)
OKLCH	oklch(50.04% 0.184 269.1)
XYZ	xyz(15.7091, 11.6895, 57.2941)
Luminance	0.1169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B55CA #CAB03B

analogous

#3B9CCA #3B55CA #683BCA

triadic

#3B55CA #CA3B55 #55CA3B

tetradic

#3B55CA #CA3B9C #CAB03B #3BCA68

square

#3B55CA #CA3B9C #CAB03B #3BCA68

split-complementary

#3B55CA #CA683B #9CCA3B

monochromatic

#1E2C6D #2B3F9D #3B55CA #6B7FD7 #9BA9E4

Accessibility & contrast

On white

6.29

#3B55CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#3B55CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B55CA

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B55CA	#FFFFFF	#000000	##FFFFFF
##3B55CA	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CE

Deuteranopia (green-blind)

#005AC8

Tritanopia (blue-blind)

#007287

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3b55ca;
/* rgb */ color: rgb(59, 85, 202);
/* oklch */ color: oklch(50.0% 0.184 269.1);

Tailwind

colors: {
  custom: {
    50: '#8384db',
    500: '#3b55ca',
    950: '#000000',
  },
}

SCSS

$custom: #3b55ca;
$custom-light: #8384db;
$custom-dark: #000000;

JSON

{
  "hex": "#3b55ca",
  "rgb": {
    "r": 59,
    "g": 85,
    "b": 202
  },
  "hsl": {
    "h": 229.091,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.50039,
    "c": 0.18362,
    "h": 269.1
  },
  "luminance": 0.11691
}

Semantic roles & 50–950 ramp

primary

#3B55CA

secondary

#D0C591

accent

#C547E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3B55CA

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

Preview Lab → · Contrast checker → · Palette generator →