#3A45B8#3A45B8

#3A45B8 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.5% C 0.179 H 272.8°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#3A45B8
RGB	rgb(58, 69, 184)
HSL	hsl(235, 52%, 47%)
HSV	hsv(235, 68%, 72%)
CMYK	cmyk(68.5%, 62.5%, 0%, 27.8%)
CIE-LAB	lab(35.23, 33.59, -62.11)
CIE-LCH	lch(35.23, 70.61, 298.40°)
OKLab	oklab(45.51% 0.0087 -0.1792)
OKLCH	oklch(45.51% 0.179 272.8)
XYZ	xyz(12.5219, 8.6153, 46.3411)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A45B8 #B8AD3A

analogous

#3A84B8 #3A45B8 #6E3AB8

triadic

#3A45B8 #B83A45 #45B83A

tetradic

#3A45B8 #B83A84 #B8AD3A #3AB86E

square

#3A45B8 #B83A84 #B8AD3A #3AB86E

split-complementary

#3A45B8 #B86E3A #84B83A

monochromatic

#1D225B #2B3489 #3A45B8 #626BCD #9097DC

Accessibility & contrast

On white

7.71

#3A45B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3A45B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A45B8

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A45B8	#FFFFFF	#000000	##FFFFFF
##3A45B8	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BC

Deuteranopia (green-blind)

#004DB6

Tritanopia (blue-blind)

#006278

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3a45b8;
/* rgb */ color: rgb(58, 69, 184);
/* oklch */ color: oklch(45.5% 0.179 272.8);

Tailwind

colors: {
  custom: {
    50: '#8078ce',
    500: '#3a45b8',
    950: '#000000',
  },
}

SCSS

$custom: #3a45b8;
$custom-light: #8078ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3a45b8",
  "rgb": {
    "r": 58,
    "g": 69,
    "b": 184
  },
  "hsl": {
    "h": 234.762,
    "s": 52.066,
    "l": 47.451
  },
  "oklch": {
    "l": 0.4551,
    "c": 0.1794,
    "h": 272.8
  },
  "luminance": 0.08616
}

Semantic roles & 50–950 ramp

primary

#3A45B8

secondary

#C7C187

accent

#CF4CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3A45B8

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

Preview Lab → · Contrast checker → · Palette generator →