#3A55D5#3A55D5

#3A55D5 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.9% C 0.198 H 269.0°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#3A55D5
RGB	rgb(58, 85, 213)
HSL	hsl(230, 65%, 53%)
HSV	hsv(230, 73%, 84%)
CMYK	cmyk(72.8%, 60.1%, 0%, 16.5%)
CIE-LAB	lab(41.53, 33.73, -68.69)
CIE-LCH	lch(41.53, 76.53, 296.16°)
OKLab	oklab(50.9% -0.0036 -0.1983)
OKLCH	oklch(50.9% 0.198 269)
XYZ	xyz(16.9995, 12.1988, 64.3966)
Luminance	0.1220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A55D5 #D5BA3A

analogous

#3AA3D5 #3A55D5 #6C3AD5

triadic

#3A55D5 #D53A55 #55D53A

tetradic

#3A55D5 #D53AA3 #D5BA3A #3AD56C

square

#3A55D5 #D53AA3 #D5BA3A #3AD56C

split-complementary

#3A55D5 #D56C3A #A3D53A

monochromatic

#1A2B7A #253DAD #3A55D5 #6C81E0 #9FACEB

Accessibility & contrast

On white

6.10

#3A55D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#3A55D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A55D5

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A55D5	#FFFFFF	#000000	##FFFFFF
##3A55D5	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D9

Deuteranopia (green-blind)

#005BD3

Tritanopia (blue-blind)

#00758D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3a55d5;
/* rgb */ color: rgb(58, 85, 213);
/* oklch */ color: oklch(50.9% 0.198 269.0);

Tailwind

colors: {
  custom: {
    50: '#8584e3',
    500: '#3a55d5',
    950: '#000000',
  },
}

SCSS

$custom: #3a55d5;
$custom-light: #8584e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3a55d5",
  "rgb": {
    "r": 58,
    "g": 85,
    "b": 213
  },
  "hsl": {
    "h": 229.548,
    "s": 64.854,
    "l": 53.137
  },
  "oklch": {
    "l": 0.50899,
    "c": 0.19837,
    "h": 269
  },
  "luminance": 0.12201
}

Semantic roles & 50–950 ramp

primary

#3A55D5

secondary

#D7CB94

accent

#CB40E8

background

#F8F8FE

surface

#F0EFFC

border

#CBCAD5

text

#0D0B16

muted

#7D7C84

Preview Lab

Preview with #3A55D5

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

Preview Lab → · Contrast checker → · Palette generator →