#3A59CC#3A59CC

#3A59CC is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.9% C 0.182 H 267.9°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#3A59CC
RGB	rgb(58, 89, 204)
HSL	hsl(227, 59%, 51%)
HSV	hsv(227, 72%, 80%)
CMYK	cmyk(71.6%, 56.4%, 0%, 20%)
CIE-LAB	lab(41.85, 27.95, -62.99)
CIE-LCH	lch(41.85, 68.92, 293.92°)
OKLab	oklab(50.92% -0.0067 -0.1816)
OKLCH	oklch(50.92% 0.182 267.9)
XYZ	xyz(16.2126, 12.4023, 58.6545)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A59CC #CCAD3A

analogous

#3AA2CC #3A59CC #643ACC

triadic

#3A59CC #CC3A59 #59CC3A

tetradic

#3A59CC #CC3AA2 #CCAD3A #3ACC64

square

#3A59CC #CC3AA2 #CCAD3A #3ACC64

split-complementary

#3A59CC #CC643A #A2CC3A

monochromatic

#1D2E6F #2942A0 #3A59CC #6B82D9 #9BABE5

Accessibility & contrast

On white

6.03

#3A59CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#3A59CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A59CC

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A59CC	#FFFFFF	#000000	##FFFFFF
##3A59CC	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD0

Deuteranopia (green-blind)

#005CCA

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3a59cc;
/* rgb */ color: rgb(58, 89, 204);
/* oklch */ color: oklch(50.9% 0.182 267.9);

Tailwind

colors: {
  custom: {
    50: '#8387dc',
    500: '#3a59cc',
    950: '#000000',
  },
}

SCSS

$custom: #3a59cc;
$custom-light: #8387dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a59cc",
  "rgb": {
    "r": 58,
    "g": 89,
    "b": 204
  },
  "hsl": {
    "h": 227.26,
    "s": 58.871,
    "l": 51.373
  },
  "oklch": {
    "l": 0.50919,
    "c": 0.18168,
    "h": 267.9
  },
  "luminance": 0.12404
}

Semantic roles & 50–950 ramp

primary

#3A59CC

secondary

#D1C391

accent

#C146E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3A59CC

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

Preview Lab → · Contrast checker → · Palette generator →