#3A45AD#3A45AD

#3A45AD is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.6% C 0.165 H 273.1°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#3A45AD
RGB	rgb(58, 69, 173)
HSL	hsl(234, 50%, 45%)
HSV	hsv(234, 66%, 68%)
CMYK	cmyk(66.5%, 60.1%, 0%, 32.2%)
CIE-LAB	lab(34.34, 29.70, -57.05)
CIE-LCH	lch(34.34, 64.32, 297.50°)
OKLab	oklab(44.57% 0.009 -0.1643)
OKLCH	oklch(44.57% 0.165 273.1)
XYZ	xyz(11.4134, 8.1719, 40.5029)
Luminance	0.0817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.19

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A45AD #ADA23A

analogous

#3A7EAD #3A45AD #683AAD

triadic

#3A45AD #AD3A45 #45AD3A

tetradic

#3A45AD #AD3A7E #ADA23A #3AAD68

square

#3A45AD #AD3A7E #ADA23A #3AAD68

split-complementary

#3A45AD #AD683A #7EAD3A

monochromatic

#1B2051 #2B337F #3A45AD #5C66C8 #8A91D8

Accessibility & contrast

On white

7.97

#3A45AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3A45AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A45AD

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A45AD	#FFFFFF	#000000	##FFFFFF
##3A45AD	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B0

Deuteranopia (green-blind)

#004CAB

Tritanopia (blue-blind)

#005F72

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3a45ad;
/* rgb */ color: rgb(58, 69, 173);
/* oklch */ color: oklch(44.6% 0.165 273.1);

Tailwind

colors: {
  custom: {
    50: '#7e78c6',
    500: '#3a45ad',
    950: '#000000',
  },
}

SCSS

$custom: #3a45ad;
$custom-light: #7e78c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3a45ad",
  "rgb": {
    "r": 58,
    "g": 69,
    "b": 173
  },
  "hsl": {
    "h": 234.261,
    "s": 49.784,
    "l": 45.294
  },
  "oklch": {
    "l": 0.44571,
    "c": 0.16457,
    "h": 273.1
  },
  "luminance": 0.08173
}

Semantic roles & 50–950 ramp

primary

#3A45AD

secondary

#C2BC81

accent

#CC4ED9

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3A45AD

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

Preview Lab → · Contrast checker → · Palette generator →