#3C59CF#3C59CF

#3C59CF is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.3% C 0.185 H 268.5°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#3C59CF
RGB	rgb(60, 89, 207)
HSL	hsl(228, 60%, 52%)
HSV	hsv(228, 71%, 81%)
CMYK	cmyk(71%, 57%, 0%, 18.8%)
CIE-LAB	lab(42.17, 29.29, -64.20)
CIE-LCH	lch(42.17, 70.57, 294.53°)
OKLab	oklab(51.25% -0.0047 -0.1851)
OKLCH	oklch(51.25% 0.185 268.5)
XYZ	xyz(16.6945, 12.6087, 60.5733)
Luminance	0.1261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C59CF #CFB23C

analogous

#3CA3CF #3C59CF #683CCF

triadic

#3C59CF #CF3C59 #59CF3C

tetradic

#3C59CF #CF3CA3 #CFB23C #3CCF68

square

#3C59CF #CF3CA3 #CFB23C #3CCF68

split-complementary

#3C59CF #CF683C #A3CF3C

monochromatic

#1D2E74 #2941A5 #3C59CF #6D83DB #9EADE7

Accessibility & contrast

On white

5.96

#3C59CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#3C59CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C59CF

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C59CF	#FFFFFF	#000000	##FFFFFF
##3C59CF	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD3

Deuteranopia (green-blind)

#005DCD

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3c59cf;
/* rgb */ color: rgb(60, 89, 207);
/* oklch */ color: oklch(51.3% 0.185 268.5);

Tailwind

colors: {
  custom: {
    50: '#8487df',
    500: '#3c59cf',
    950: '#000000',
  },
}

SCSS

$custom: #3c59cf;
$custom-light: #8487df;
$custom-dark: #000000;

JSON

{
  "hex": "#3c59cf",
  "rgb": {
    "r": 60,
    "g": 89,
    "b": 207
  },
  "hsl": {
    "h": 228.163,
    "s": 60.494,
    "l": 52.353
  },
  "oklch": {
    "l": 0.51254,
    "c": 0.18512,
    "h": 268.5
  },
  "luminance": 0.1261
}

Semantic roles & 50–950 ramp

primary

#3C59CF

secondary

#D3C793

accent

#C444E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3C59CF

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

Preview Lab → · Contrast checker → · Palette generator →