#3A75CF#3A75CF

#3A75CF is a mid, vivid blue. Relative luminance 0.181; OKLCH L 56.9% C 0.152 H 258.7°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3A75CF
RGB	rgb(58, 117, 207)
HSL	hsl(216, 61%, 52%)
HSV	hsv(216, 72%, 81%)
CMYK	cmyk(72%, 43.5%, 0%, 18.8%)
CIE-LAB	lab(49.65, 11.25, -52.14)
CIE-LCH	lch(49.65, 53.34, 282.18°)
OKLab	oklab(56.93% -0.0297 -0.1492)
OKLCH	oklch(56.93% 0.152 258.7)
XYZ	xyz(19.3646, 18.1250, 61.4973)
Luminance	0.1813 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A75CF #CF943A

analogous

#3ABFCF #3A75CF #4A3ACF

triadic

#3A75CF #CF3A75 #75CF3A

tetradic

#3A75CF #CF3ABF #CF943A #3ACF4A

square

#3A75CF #CF3ABF #CF943A #3ACF4A

split-complementary

#3A75CF #CF4A3A #BFCF3A

monochromatic

#1C3E73 #2859A4 #3A75CF #6B97DB #9CBAE7

Accessibility & contrast

On white

4.54

#3A75CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#3A75CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A75CF

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A75CF	#FFFFFF	#000000	##000000
##3A75CF	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#497DD2

Deuteranopia (green-blind)

#2D70CD

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3a75cf;
/* rgb */ color: rgb(58, 117, 207);
/* oklch */ color: oklch(56.9% 0.152 258.7);

Tailwind

colors: {
  custom: {
    50: '#829cde',
    500: '#3a75cf',
    950: '#000000',
  },
}

SCSS

$custom: #3a75cf;
$custom-light: #829cde;
$custom-dark: #000000;

JSON

{
  "hex": "#3a75cf",
  "rgb": {
    "r": 58,
    "g": 117,
    "b": 207
  },
  "hsl": {
    "h": 216.242,
    "s": 60.816,
    "l": 51.961
  },
  "oklch": {
    "l": 0.56927,
    "c": 0.15209,
    "h": 258.7
  },
  "luminance": 0.18127
}

Semantic roles & 50–950 ramp

primary

#3A75CF

secondary

#D3B992

accent

#A544E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A75CF

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

Preview Lab → · Contrast checker → · Palette generator →