#3A5BD0#3A5BD0

#3A5BD0 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.6% C 0.185 H 267.5°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#3A5BD0
RGB	rgb(58, 91, 208)
HSL	hsl(227, 61%, 52%)
HSV	hsv(227, 72%, 82%)
CMYK	cmyk(72.1%, 56.2%, 0%, 18.4%)
CIE-LAB	lab(42.66, 28.12, -63.97)
CIE-LCH	lch(42.66, 69.88, 293.73°)
OKLab	oklab(51.62% -0.008 -0.1844)
OKLCH	oklch(51.62% 0.185 267.5)
XYZ	xyz(16.8672, 12.9340, 61.2699)
Luminance	0.1294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5BD0 #D0AF3A

analogous

#3AA6D0 #3A5BD0 #643AD0

triadic

#3A5BD0 #D03A5B #5BD03A

tetradic

#3A5BD0 #D03AA6 #D0AF3A #3AD064

square

#3A5BD0 #D03AA6 #D0AF3A #3AD064

split-complementary

#3A5BD0 #D0643A #A6D03A

monochromatic

#1C2F74 #2743A5 #3A5BD0 #6B84DC #9DADE8

Accessibility & contrast

On white

5.85

#3A5BD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#3A5BD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5BD0

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5BD0	#FFFFFF	#000000	##FFFFFF
##3A5BD0	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD4

Deuteranopia (green-blind)

#005ECE

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3a5bd0;
/* rgb */ color: rgb(58, 91, 208);
/* oklch */ color: oklch(51.6% 0.185 267.5);

Tailwind

colors: {
  custom: {
    50: '#8489df',
    500: '#3a5bd0',
    950: '#000000',
  },
}

SCSS

$custom: #3a5bd0;
$custom-light: #8489df;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5bd0",
  "rgb": {
    "r": 58,
    "g": 91,
    "b": 208
  },
  "hsl": {
    "h": 226.8,
    "s": 61.475,
    "l": 52.157
  },
  "oklch": {
    "l": 0.51624,
    "c": 0.18458,
    "h": 267.5
  },
  "luminance": 0.12936
}

Semantic roles & 50–950 ramp

primary

#3A5BD0

secondary

#D4C592

accent

#C143E5

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3A5BD0

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

Preview Lab → · Contrast checker → · Palette generator →