#604CCB#604CCB

#604CCB is a mid, vivid blue. Relative luminance 0.120; OKLCH L 51.0% C 0.188 H 284.8°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#604CCB
RGB	rgb(96, 76, 203)
HSL	hsl(249, 55%, 55%)
HSV	hsv(249, 63%, 80%)
CMYK	cmyk(52.7%, 62.6%, 0%, 20.4%)
CIE-LAB	lab(41.16, 41.72, -63.42)
CIE-LCH	lch(41.16, 75.91, 303.34°)
OKLab	oklab(51.04% 0.0479 -0.1819)
OKLCH	oklch(51.04% 0.188 284.8)
XYZ	xyz(18.1846, 11.9665, 57.8399)
Luminance	0.1197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#604CCB #B7CB4C

analogous

#4C78CB #604CCB #A04CCB

triadic

#604CCB #CB604C #4CCB60

tetradic

#604CCB #CB4C78 #B7CB4C #4CCBA0

square

#604CCB #CB4C78 #B7CB4C #4CCBA0

split-complementary

#604CCB #CBA04C #78CB4C

monochromatic

#312379 #4431A9 #604CCB #8A7BD9 #B4ABE7

Accessibility & contrast

On white

6.19

#604CCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#604CCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #604CCB

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##604CCB	#FFFFFF	#000000	##FFFFFF
##604CCB	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CF

Deuteranopia (green-blind)

#005DC8

Tritanopia (blue-blind)

#346B84

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #604ccb;
/* rgb */ color: rgb(96, 76, 203);
/* oklch */ color: oklch(51.0% 0.188 284.8);

Tailwind

colors: {
  custom: {
    50: '#967fdc',
    500: '#604ccb',
    950: '#000000',
  },
}

SCSS

$custom: #604ccb;
$custom-light: #967fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#604ccb",
  "rgb": {
    "r": 96,
    "g": 76,
    "b": 203
  },
  "hsl": {
    "h": 249.449,
    "s": 54.978,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51035,
    "c": 0.18813,
    "h": 284.8
  },
  "luminance": 0.11967
}

Semantic roles & 50–950 ramp

primary

#604CCB

secondary

#CCD49F

accent

#DE49C7

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #604CCB

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

Preview Lab → · Contrast checker → · Palette generator →