#3A75D9#3A75D9

#3A75D9 is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.6% C 0.165 H 260.3°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3A75D9
RGB	rgb(58, 117, 217)
HSL	hsl(218, 68%, 54%)
HSV	hsv(218, 73%, 85%)
CMYK	cmyk(73.3%, 46.1%, 0%, 14.9%)
CIE-LAB	lab(50.25, 14.90, -56.85)
CIE-LCH	lch(50.25, 58.77, 284.69°)
OKLab	oklab(57.59% -0.028 -0.163)
OKLCH	oklch(57.59% 0.165 260.3)
XYZ	xyz(20.6261, 18.6296, 68.1410)
Luminance	0.1863 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A75D9 #D99E3A

analogous

#3AC5D9 #3A75D9 #4F3AD9

triadic

#3A75D9 #D93A75 #75D93A

tetradic

#3A75D9 #D93AC5 #D99E3A #3AD94F

square

#3A75D9 #D93AC5 #D99E3A #3AD94F

split-complementary

#3A75D9 #D94F3A #C5D93A

monochromatic

#193F80 #2358B3 #3A75D9 #6D99E3 #A1BDED

Accessibility & contrast

On white

4.44

#3A75D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#3A75D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A75D9

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A75D9	#FFFFFF	#000000	##000000
##3A75D9	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#407FDD

Deuteranopia (green-blind)

#1A71D7

Tritanopia (blue-blind)

#008D9C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3a75d9;
/* rgb */ color: rgb(58, 117, 217);
/* oklch */ color: oklch(57.6% 0.165 260.3);

Tailwind

colors: {
  custom: {
    50: '#849ce5',
    500: '#3a75d9',
    950: '#000000',
  },
}

SCSS

$custom: #3a75d9;
$custom-light: #849ce5;
$custom-dark: #000000;

JSON

{
  "hex": "#3a75d9",
  "rgb": {
    "r": 58,
    "g": 117,
    "b": 217
  },
  "hsl": {
    "h": 217.736,
    "s": 67.66,
    "l": 53.922
  },
  "oklch": {
    "l": 0.57587,
    "c": 0.16539,
    "h": 260.3
  },
  "luminance": 0.18632
}

Semantic roles & 50–950 ramp

primary

#3A75D9

secondary

#D9C095

accent

#AA3DEB

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3A75D9

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

Preview Lab → · Contrast checker → · Palette generator →