#3A59CB#3A59CB

#3A59CB is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.8% C 0.180 H 267.9°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#3A59CB
RGB	rgb(58, 89, 203)
HSL	hsl(227, 58%, 51%)
HSV	hsv(227, 71%, 80%)
CMYK	cmyk(71.4%, 56.2%, 0%, 20.4%)
CIE-LAB	lab(41.77, 27.59, -62.54)
CIE-LCH	lch(41.77, 68.35, 293.80°)
OKLab	oklab(50.84% -0.0067 -0.1802)
OKLCH	oklch(50.84% 0.18 267.9)
XYZ	xyz(16.0931, 12.3544, 58.0248)
Luminance	0.1236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A59CB #CBAC3A

analogous

#3AA2CB #3A59CB #633ACB

triadic

#3A59CB #CB3A59 #59CB3A

tetradic

#3A59CB #CB3AA2 #CBAC3A #3ACB63

square

#3A59CB #CB3AA2 #CBAC3A #3ACB63

split-complementary

#3A59CB #CB633A #A2CB3A

monochromatic

#1D2E6E #2A439E #3A59CB #6A82D8 #9BABE5

Accessibility & contrast

On white

6.05

#3A59CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#3A59CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A59CB

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A59CB	#FFFFFF	#000000	##FFFFFF
##3A59CB	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CF

Deuteranopia (green-blind)

#005CC9

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3a59cb;
/* rgb */ color: rgb(58, 89, 203);
/* oklch */ color: oklch(50.8% 0.180 267.9);

Tailwind

colors: {
  custom: {
    50: '#8387dc',
    500: '#3a59cb',
    950: '#000000',
  },
}

SCSS

$custom: #3a59cb;
$custom-light: #8387dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a59cb",
  "rgb": {
    "r": 58,
    "g": 89,
    "b": 203
  },
  "hsl": {
    "h": 227.172,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.50839,
    "c": 0.18034,
    "h": 267.9
  },
  "luminance": 0.12356
}

Semantic roles & 50–950 ramp

primary

#3A59CB

secondary

#D0C390

accent

#C046E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3A59CB

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

Preview Lab → · Contrast checker → · Palette generator →