#3A45B5#3A45B5

#3A45B5 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.3% C 0.175 H 272.9°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#3A45B5
RGB	rgb(58, 69, 181)
HSL	hsl(235, 51%, 47%)
HSV	hsv(235, 68%, 71%)
CMYK	cmyk(68%, 61.9%, 0%, 29%)
CIE-LAB	lab(34.98, 32.53, -60.74)
CIE-LCH	lch(34.98, 68.90, 298.17°)
OKLab	oklab(45.25% 0.0088 -0.1752)
OKLCH	oklch(45.25% 0.175 272.9)
XYZ	xyz(12.2107, 8.4908, 44.7025)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.39

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A45B5 #B5AA3A

analogous

#3A83B5 #3A45B5 #6D3AB5

triadic

#3A45B5 #B53A45 #45B53A

tetradic

#3A45B5 #B53A83 #B5AA3A #3AB56D

square

#3A45B5 #B53A83 #B5AA3A #3AB56D

split-complementary

#3A45B5 #B56D3A #83B53A

monochromatic

#1C2258 #2B3387 #3A45B5 #606ACC #8E95DB

Accessibility & contrast

On white

7.78

#3A45B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3A45B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A45B5

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A45B5	#FFFFFF	#000000	##FFFFFF
##3A45B5	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B9

Deuteranopia (green-blind)

#004DB3

Tritanopia (blue-blind)

#006176

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3a45b5;
/* rgb */ color: rgb(58, 69, 181);
/* oklch */ color: oklch(45.3% 0.175 272.9);

Tailwind

colors: {
  custom: {
    50: '#7f78cc',
    500: '#3a45b5',
    950: '#000000',
  },
}

SCSS

$custom: #3a45b5;
$custom-light: #7f78cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a45b5",
  "rgb": {
    "r": 58,
    "g": 69,
    "b": 181
  },
  "hsl": {
    "h": 234.634,
    "s": 51.464,
    "l": 46.863
  },
  "oklch": {
    "l": 0.45251,
    "c": 0.17539,
    "h": 272.9
  },
  "luminance": 0.08492
}

Semantic roles & 50–950 ramp

primary

#3A45B5

secondary

#C6C085

accent

#CE4DDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3A45B5

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

Preview Lab → · Contrast checker → · Palette generator →