#3A55BC#3A55BC

#3A55BC is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.9% C 0.165 H 268.5°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#3A55BC
RGB	rgb(58, 85, 188)
HSL	hsl(228, 53%, 48%)
HSV	hsv(228, 69%, 74%)
CMYK	cmyk(69.1%, 54.8%, 0%, 26.3%)
CIE-LAB	lab(39.62, 24.72, -57.31)
CIE-LCH	lch(39.62, 62.42, 293.33°)
OKLab	oklab(48.88% -0.0043 -0.1649)
OKLCH	oklch(48.88% 0.165 268.5)
XYZ	xyz(14.0674, 11.0260, 48.9541)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A55BC #BCA13A

analogous

#3A96BC #3A55BC #603ABC

triadic

#3A55BC #BC3A55 #55BC3A

tetradic

#3A55BC #BC3A96 #BCA13A #3ABC60

square

#3A55BC #BC3A96 #BCA13A #3ABC60

split-complementary

#3A55BC #BC603A #96BC3A

monochromatic

#1D2B5E #2C408D #3A55BC #647ACF #93A2DE

Accessibility & contrast

On white

6.55

#3A55BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#3A55BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A55BC

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A55BC	#FFFFFF	#000000	##FFFFFF
##3A55BC	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C0

Deuteranopia (green-blind)

#0058BA

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3a55bc;
/* rgb */ color: rgb(58, 85, 188);
/* oklch */ color: oklch(48.9% 0.165 268.5);

Tailwind

colors: {
  custom: {
    50: '#8084d1',
    500: '#3a55bc',
    950: '#000000',
  },
}

SCSS

$custom: #3a55bc;
$custom-light: #8084d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a55bc",
  "rgb": {
    "r": 58,
    "g": 85,
    "b": 188
  },
  "hsl": {
    "h": 227.538,
    "s": 52.846,
    "l": 48.235
  },
  "oklch": {
    "l": 0.48877,
    "c": 0.16497,
    "h": 268.5
  },
  "luminance": 0.11027
}

Semantic roles & 50–950 ramp

primary

#3A55BC

secondary

#C9BC89

accent

#BE4CDC

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3A55BC

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

Preview Lab → · Contrast checker → · Palette generator →