#3A45B2#3A45B2

#3A45B2 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 45.0% C 0.171 H 273.0°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#3A45B2
RGB	rgb(58, 69, 178)
HSL	hsl(235, 51%, 46%)
HSV	hsv(235, 67%, 70%)
CMYK	cmyk(67.4%, 61.2%, 0%, 30.2%)
CIE-LAB	lab(34.74, 31.47, -59.36)
CIE-LCH	lch(34.74, 67.19, 297.93°)
OKLab	oklab(44.99% 0.0089 -0.1711)
OKLCH	oklch(44.99% 0.171 273)
XYZ	xyz(11.9062, 8.3690, 43.0988)
Luminance	0.0837 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.68

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A45B2 #B2A73A

analogous

#3A81B2 #3A45B2 #6B3AB2

triadic

#3A45B2 #B23A45 #45B23A

tetradic

#3A45B2 #B23A81 #B2A73A #3AB26B

square

#3A45B2 #B23A81 #B2A73A #3AB26B

split-complementary

#3A45B2 #B26B3A #81B23A

monochromatic

#1C2156 #2B3384 #3A45B2 #5F68CB #8D94DA

Accessibility & contrast

On white

7.85

#3A45B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#3A45B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A45B2

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A45B2	#FFFFFF	#000000	##FFFFFF
##3A45B2	1.00	7.85	2.67	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B6

Deuteranopia (green-blind)

#004CB0

Tritanopia (blue-blind)

#006075

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3a45b2;
/* rgb */ color: rgb(58, 69, 178);
/* oklch */ color: oklch(45.0% 0.171 273.0);

Tailwind

colors: {
  custom: {
    50: '#7f78ca',
    500: '#3a45b2',
    950: '#000000',
  },
}

SCSS

$custom: #3a45b2;
$custom-light: #7f78ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3a45b2",
  "rgb": {
    "r": 58,
    "g": 69,
    "b": 178
  },
  "hsl": {
    "h": 234.5,
    "s": 50.847,
    "l": 46.275
  },
  "oklch": {
    "l": 0.44993,
    "c": 0.17136,
    "h": 273
  },
  "luminance": 0.0837
}

Semantic roles & 50–950 ramp

primary

#3A45B2

secondary

#C4BE83

accent

#CD4DDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3A45B2

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

Preview Lab → · Contrast checker → · Palette generator →