#3A55C5#3A55C5

#3A55C5 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.6% C 0.177 H 268.8°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#3A55C5
RGB	rgb(58, 85, 197)
HSL	hsl(228, 55%, 50%)
HSV	hsv(228, 71%, 77%)
CMYK	cmyk(70.6%, 56.9%, 0%, 22.7%)
CIE-LAB	lab(40.29, 27.98, -61.48)
CIE-LCH	lch(40.29, 67.55, 294.47°)
OKLab	oklab(49.59% -0.0038 -0.1772)
OKLCH	oklch(49.59% 0.177 268.8)
XYZ	xyz(15.0680, 11.4262, 54.2239)
Luminance	0.1143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A55C5 #C5AA3A

analogous

#3A9BC5 #3A55C5 #643AC5

triadic

#3A55C5 #C53A55 #55C53A

tetradic

#3A55C5 #C53A9B #C5AA3A #3AC564

square

#3A55C5 #C53A9B #C5AA3A #3AC564

split-complementary

#3A55C5 #C5643A #9BC53A

monochromatic

#1E2C66 #2C4196 #3A55C5 #697ED3 #99A7E1

Accessibility & contrast

On white

6.39

#3A55C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#3A55C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A55C5

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A55C5	#FFFFFF	#000000	##FFFFFF
##3A55C5	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066C9

Deuteranopia (green-blind)

#0059C3

Tritanopia (blue-blind)

#007185

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3a55c5;
/* rgb */ color: rgb(58, 85, 197);
/* oklch */ color: oklch(49.6% 0.177 268.8);

Tailwind

colors: {
  custom: {
    50: '#8284d7',
    500: '#3a55c5',
    950: '#000000',
  },
}

SCSS

$custom: #3a55c5;
$custom-light: #8284d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a55c5",
  "rgb": {
    "r": 58,
    "g": 85,
    "b": 197
  },
  "hsl": {
    "h": 228.345,
    "s": 54.51,
    "l": 50
  },
  "oklch": {
    "l": 0.49586,
    "c": 0.1772,
    "h": 268.8
  },
  "luminance": 0.11428
}

Semantic roles & 50–950 ramp

primary

#3A55C5

secondary

#CDC08E

accent

#C14ADE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3A55C5

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

Preview Lab → · Contrast checker → · Palette generator →