#604FCC#604FCC

#604FCC is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.6% C 0.186 H 284.0°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#604FCC
RGB	rgb(96, 79, 204)
HSL	hsl(248, 55%, 55%)
HSV	hsv(248, 61%, 80%)
CMYK	cmyk(52.9%, 61.3%, 0%, 20%)
CIE-LAB	lab(41.90, 40.27, -62.79)
CIE-LCH	lch(41.90, 74.60, 302.67°)
OKLab	oklab(51.6% 0.0448 -0.1801)
OKLCH	oklch(51.6% 0.186 284)
XYZ	xyz(18.5156, 12.4374, 58.5400)
Luminance	0.1244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#604FCC #BBCC4F

analogous

#4F7CCC #604FCC #9E4FCC

triadic

#604FCC #CC604F #4FCC60

tetradic

#604FCC #CC4F7C #BBCC4F #4FCC9E

square

#604FCC #CC4F7C #BBCC4F #4FCC9E

split-complementary

#604FCC #CC9E4F #7CCC4F

monochromatic

#30247D #4232AC #604FCC #8B7EDA #B6AEE7

Accessibility & contrast

On white

6.02

#604FCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#604FCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #604FCC

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##604FCC	#FFFFFF	#000000	##FFFFFF
##604FCC	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D0

Deuteranopia (green-blind)

#005FC9

Tritanopia (blue-blind)

#336D86

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #604fcc;
/* rgb */ color: rgb(96, 79, 204);
/* oklch */ color: oklch(51.6% 0.186 284.0);

Tailwind

colors: {
  custom: {
    50: '#9681dc',
    500: '#604fcc',
    950: '#000000',
  },
}

SCSS

$custom: #604fcc;
$custom-light: #9681dc;
$custom-dark: #000000;

JSON

{
  "hex": "#604fcc",
  "rgb": {
    "r": 96,
    "g": 79,
    "b": 204
  },
  "hsl": {
    "h": 248.16,
    "s": 55.066,
    "l": 55.49
  },
  "oklch": {
    "l": 0.51599,
    "c": 0.18558,
    "h": 284
  },
  "luminance": 0.12438
}

Semantic roles & 50–950 ramp

primary

#604FCC

secondary

#CED5A1

accent

#DE49CA

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #604FCC

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

Preview Lab → · Contrast checker → · Palette generator →