#3A75D0#3A75D0

#3A75D0 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.0% C 0.153 H 258.9°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3A75D0
RGB	rgb(58, 117, 208)
HSL	hsl(216, 61%, 52%)
HSV	hsv(216, 72%, 82%)
CMYK	cmyk(72.1%, 43.8%, 0%, 18.4%)
CIE-LAB	lab(49.71, 11.61, -52.61)
CIE-LCH	lch(49.71, 53.88, 282.45°)
OKLab	oklab(56.99% -0.0295 -0.1505)
OKLCH	oklch(56.99% 0.153 258.9)
XYZ	xyz(19.4872, 18.1741, 62.1432)
Luminance	0.1818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A75D0 #D0953A

analogous

#3AC0D0 #3A75D0 #4A3AD0

triadic

#3A75D0 #D03A75 #75D03A

tetradic

#3A75D0 #D03AC0 #D0953A #3AD04A

square

#3A75D0 #D03AC0 #D0953A #3AD04A

split-complementary

#3A75D0 #D04A3A #C0D03A

monochromatic

#1C3E74 #2759A5 #3A75D0 #6B98DC #9DBAE8

Accessibility & contrast

On white

4.53

#3A75D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#3A75D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A75D0

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A75D0	#FFFFFF	#000000	##000000
##3A75D0	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#487ED3

Deuteranopia (green-blind)

#2C70CE

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3a75d0;
/* rgb */ color: rgb(58, 117, 208);
/* oklch */ color: oklch(57.0% 0.153 258.9);

Tailwind

colors: {
  custom: {
    50: '#839cdf',
    500: '#3a75d0',
    950: '#000000',
  },
}

SCSS

$custom: #3a75d0;
$custom-light: #839cdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a75d0",
  "rgb": {
    "r": 58,
    "g": 117,
    "b": 208
  },
  "hsl": {
    "h": 216.4,
    "s": 61.475,
    "l": 52.157
  },
  "oklch": {
    "l": 0.56992,
    "c": 0.15342,
    "h": 258.9
  },
  "luminance": 0.18176
}

Semantic roles & 50–950 ramp

primary

#3A75D0

secondary

#D4BA92

accent

#A543E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A75D0

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

Preview Lab → · Contrast checker → · Palette generator →