#604ECB#604ECB

#604ECB is a mid, vivid blue. Relative luminance 0.122; OKLCH L 51.4% C 0.186 H 284.3°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#604ECB
RGB	rgb(96, 78, 203)
HSL	hsl(249, 55%, 55%)
HSV	hsv(249, 62%, 80%)
CMYK	cmyk(52.7%, 61.6%, 0%, 20.4%)
CIE-LAB	lab(41.61, 40.55, -62.70)
CIE-LCH	lch(41.61, 74.67, 302.89°)
OKLab	oklab(51.36% 0.0459 -0.1798)
OKLCH	oklch(51.36% 0.186 284.3)
XYZ	xyz(18.3245, 12.2464, 57.8865)
Luminance	0.1225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.04

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#604ECB #B9CB4E

analogous

#4E7ACB #604ECB #9E4ECB

triadic

#604ECB #CB604E #4ECB60

tetradic

#604ECB #CB4E7A #B9CB4E #4ECB9E

square

#604ECB #CB4E7A #B9CB4E #4ECB9E

split-complementary

#604ECB #CB9E4E #7ACB4E

monochromatic

#30247B #4332AA #604ECB #8A7DD9 #B5ADE7

Accessibility & contrast

On white

6.09

#604ECB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#604ECB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #604ECB

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##604ECB	#FFFFFF	#000000	##FFFFFF
##604ECB	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CF

Deuteranopia (green-blind)

#005EC8

Tritanopia (blue-blind)

#346C85

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #604ecb;
/* rgb */ color: rgb(96, 78, 203);
/* oklch */ color: oklch(51.4% 0.186 284.3);

Tailwind

colors: {
  custom: {
    50: '#9680dc',
    500: '#604ecb',
    950: '#000000',
  },
}

SCSS

$custom: #604ecb;
$custom-light: #9680dc;
$custom-dark: #000000;

JSON

{
  "hex": "#604ecb",
  "rgb": {
    "r": 96,
    "g": 78,
    "b": 203
  },
  "hsl": {
    "h": 248.64,
    "s": 54.585,
    "l": 55.098
  },
  "oklch": {
    "l": 0.51358,
    "c": 0.18558,
    "h": 284.3
  },
  "luminance": 0.12247
}

Semantic roles & 50–950 ramp

primary

#604ECB

secondary

#CDD5A0

accent

#DE4AC9

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #604ECB

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

Preview Lab → · Contrast checker → · Palette generator →