#3A45AC#3A45AC

#3A45AC is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.5% C 0.163 H 273.2°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#3A45AC
RGB	rgb(58, 69, 172)
HSL	hsl(234, 50%, 45%)
HSV	hsv(234, 66%, 67%)
CMYK	cmyk(66.3%, 59.9%, 0%, 32.5%)
CIE-LAB	lab(34.26, 29.35, -56.58)
CIE-LCH	lch(34.26, 63.74, 297.41°)
OKLab	oklab(44.49% 0.009 -0.163)
OKLCH	oklch(44.49% 0.163 273.2)
XYZ	xyz(11.3170, 8.1333, 39.9952)
Luminance	0.0813 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.30

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A45AC #ACA13A

analogous

#3A7EAC #3A45AC #683AAC

triadic

#3A45AC #AC3A45 #45AC3A

tetradic

#3A45AC #AC3A7E #ACA13A #3AAC68

square

#3A45AC #AC3A7E #ACA13A #3AAC68

split-complementary

#3A45AC #AC683A #7EAC3A

monochromatic

#1B2050 #2B337E #3A45AC #5B66C8 #8991D7

Accessibility & contrast

On white

7.99

#3A45AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3A45AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A45AC

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A45AC	#FFFFFF	#000000	##FFFFFF
##3A45AC	1.00	7.99	2.63	7.99
#FFFFFF	7.99	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AF

Deuteranopia (green-blind)

#004CAA

Tritanopia (blue-blind)

#005E72

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3a45ac;
/* rgb */ color: rgb(58, 69, 172);
/* oklch */ color: oklch(44.5% 0.163 273.2);

Tailwind

colors: {
  custom: {
    50: '#7e78c6',
    500: '#3a45ac',
    950: '#000000',
  },
}

SCSS

$custom: #3a45ac;
$custom-light: #7e78c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3a45ac",
  "rgb": {
    "r": 58,
    "g": 69,
    "b": 172
  },
  "hsl": {
    "h": 234.211,
    "s": 49.565,
    "l": 45.098
  },
  "oklch": {
    "l": 0.44487,
    "c": 0.1632,
    "h": 273.2
  },
  "luminance": 0.08134
}

Semantic roles & 50–950 ramp

primary

#3A45AC

secondary

#C2BB80

accent

#CC4FD9

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3A45AC

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

Preview Lab → · Contrast checker → · Palette generator →