#3A45B7#3A45B7

#3A45B7 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.4% C 0.178 H 272.8°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#3A45B7
RGB	rgb(58, 69, 183)
HSL	hsl(235, 52%, 47%)
HSV	hsv(235, 68%, 72%)
CMYK	cmyk(68.3%, 62.3%, 0%, 28.2%)
CIE-LAB	lab(35.15, 33.23, -61.65)
CIE-LCH	lch(35.15, 70.04, 298.33°)
OKLab	oklab(45.42% 0.0087 -0.1778)
OKLCH	oklch(45.42% 0.178 272.8)
XYZ	xyz(12.4174, 8.5735, 45.7910)
Luminance	0.0858 (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

#3A45B7 #B7AC3A

analogous

#3A84B7 #3A45B7 #6E3AB7

triadic

#3A45B7 #B73A45 #45B73A

tetradic

#3A45B7 #B73A84 #B7AC3A #3AB76E

square

#3A45B7 #B73A84 #B7AC3A #3AB76E

split-complementary

#3A45B7 #B76E3A #84B73A

monochromatic

#1D225A #2B3389 #3A45B7 #616BCD #9096DC

Accessibility & contrast

On white

7.73

#3A45B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3A45B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A45B7

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A45B7	#FFFFFF	#000000	##FFFFFF
##3A45B7	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BB

Deuteranopia (green-blind)

#004DB5

Tritanopia (blue-blind)

#006277

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3a45b7;
/* rgb */ color: rgb(58, 69, 183);
/* oklch */ color: oklch(45.4% 0.178 272.8);

Tailwind

colors: {
  custom: {
    50: '#8078ce',
    500: '#3a45b7',
    950: '#000000',
  },
}

SCSS

$custom: #3a45b7;
$custom-light: #8078ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3a45b7",
  "rgb": {
    "r": 58,
    "g": 69,
    "b": 183
  },
  "hsl": {
    "h": 234.72,
    "s": 51.867,
    "l": 47.255
  },
  "oklch": {
    "l": 0.45423,
    "c": 0.17806,
    "h": 272.8
  },
  "luminance": 0.08575
}

Semantic roles & 50–950 ramp

primary

#3A45B7

secondary

#C7C186

accent

#CF4CDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3A45B7

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

Preview Lab → · Contrast checker → · Palette generator →