#604FCB#604FCB

#604FCB is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.5% C 0.184 H 284.1°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#604FCB
RGB	rgb(96, 79, 203)
HSL	hsl(248, 54%, 55%)
HSV	hsv(248, 61%, 80%)
CMYK	cmyk(52.7%, 61.1%, 0%, 20.4%)
CIE-LAB	lab(41.83, 39.96, -62.34)
CIE-LCH	lch(41.83, 74.05, 302.66°)
OKLab	oklab(51.52% 0.0449 -0.1787)
OKLCH	oklch(51.52% 0.184 284.1)
XYZ	xyz(18.3961, 12.3895, 57.9104)
Luminance	0.1239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#604FCB #BACB4F

analogous

#4F7CCB #604FCB #9E4FCB

triadic

#604FCB #CB604F #4FCB60

tetradic

#604FCB #CB4F7C #BACB4F #4FCB9E

square

#604FCB #CB4F7C #BACB4F #4FCB9E

split-complementary

#604FCB #CB9E4F #7CCB4F

monochromatic

#30247B #4332AA #604FCB #8B7ED9 #B5ADE7

Accessibility & contrast

On white

6.04

#604FCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#604FCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #604FCB

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##604FCB	#FFFFFF	#000000	##FFFFFF
##604FCB	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CF

Deuteranopia (green-blind)

#005FC8

Tritanopia (blue-blind)

#346D85

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #604fcb;
/* rgb */ color: rgb(96, 79, 203);
/* oklch */ color: oklch(51.5% 0.184 284.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#604fcb",
  "rgb": {
    "r": 96,
    "g": 79,
    "b": 203
  },
  "hsl": {
    "h": 248.226,
    "s": 54.386,
    "l": 55.294
  },
  "oklch": {
    "l": 0.51522,
    "c": 0.18429,
    "h": 284.1
  },
  "luminance": 0.12391
}

Semantic roles & 50–950 ramp

primary

#604FCB

secondary

#CED5A1

accent

#DE4AC9

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #604FCB

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

Preview Lab → · Contrast checker → · Palette generator →