#3A59CF#3A59CF

#3A59CF is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.2% C 0.186 H 268.0°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#3A59CF
RGB	rgb(58, 89, 207)
HSL	hsl(228, 61%, 52%)
HSV	hsv(228, 72%, 81%)
CMYK	cmyk(72%, 57%, 0%, 18.8%)
CIE-LAB	lab(42.07, 29.03, -64.36)
CIE-LCH	lch(42.07, 70.60, 294.28°)
OKLab	oklab(51.16% -0.0065 -0.1856)
OKLCH	oklch(51.16% 0.186 268)
XYZ	xyz(16.5759, 12.5476, 60.5677)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A59CF #CFB03A

analogous

#3AA3CF #3A59CF #663ACF

triadic

#3A59CF #CF3A59 #59CF3A

tetradic

#3A59CF #CF3AA3 #CFB03A #3ACF66

square

#3A59CF #CF3AA3 #CFB03A #3ACF66

split-complementary

#3A59CF #CF663A #A3CF3A

monochromatic

#1C2E73 #2842A4 #3A59CF #6B82DB #9CACE7

Accessibility & contrast

On white

5.98

#3A59CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#3A59CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A59CF

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A59CF	#FFFFFF	#000000	##FFFFFF
##3A59CF	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD3

Deuteranopia (green-blind)

#005DCD

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3a59cf;
/* rgb */ color: rgb(58, 89, 207);
/* oklch */ color: oklch(51.2% 0.186 268.0);

Tailwind

colors: {
  custom: {
    50: '#8487df',
    500: '#3a59cf',
    950: '#000000',
  },
}

SCSS

$custom: #3a59cf;
$custom-light: #8487df;
$custom-dark: #000000;

JSON

{
  "hex": "#3a59cf",
  "rgb": {
    "r": 58,
    "g": 89,
    "b": 207
  },
  "hsl": {
    "h": 227.517,
    "s": 60.816,
    "l": 51.961
  },
  "oklch": {
    "l": 0.51158,
    "c": 0.18569,
    "h": 268
  },
  "luminance": 0.12549
}

Semantic roles & 50–950 ramp

primary

#3A59CF

secondary

#D3C592

accent

#C344E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3A59CF

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

Preview Lab → · Contrast checker → · Palette generator →