#604BCB#604BCB

#604BCB is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.9% C 0.189 H 285.0°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#604BCB
RGB	rgb(96, 75, 203)
HSL	hsl(250, 55%, 55%)
HSV	hsv(250, 63%, 80%)
CMYK	cmyk(52.7%, 63.1%, 0%, 20.4%)
CIE-LAB	lab(40.94, 42.30, -63.78)
CIE-LCH	lch(40.94, 76.53, 303.55°)
OKLab	oklab(50.88% 0.0489 -0.183)
OKLCH	oklch(50.88% 0.189 285)
XYZ	xyz(18.1162, 11.8298, 57.8171)
Luminance	0.1183 (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

#604BCB #B6CB4B

analogous

#4B76CB #604BCB #A04BCB

triadic

#604BCB #CB604B #4BCB60

tetradic

#604BCB #CB4B76 #B6CB4B #4BCBA0

square

#604BCB #CB4B76 #B6CB4B #4BCBA0

split-complementary

#604BCB #CBA04B #76CB4B

monochromatic

#312379 #4431A8 #604BCB #8A7AD9 #B4AAE6

Accessibility & contrast

On white

6.24

#604BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#604BCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #604BCB

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##604BCB	#FFFFFF	#000000	##FFFFFF
##604BCB	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CF

Deuteranopia (green-blind)

#005DC8

Tritanopia (blue-blind)

#346A84

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #604bcb;
/* rgb */ color: rgb(96, 75, 203);
/* oklch */ color: oklch(50.9% 0.189 285.0);

Tailwind

colors: {
  custom: {
    50: '#967edc',
    500: '#604bcb',
    950: '#000000',
  },
}

SCSS

$custom: #604bcb;
$custom-light: #967edc;
$custom-dark: #000000;

JSON

{
  "hex": "#604bcb",
  "rgb": {
    "r": 96,
    "g": 75,
    "b": 203
  },
  "hsl": {
    "h": 249.844,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.50876,
    "c": 0.1894,
    "h": 285
  },
  "luminance": 0.11831
}

Semantic roles & 50–950 ramp

primary

#604BCB

secondary

#CBD49E

accent

#DF49C6

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #604BCB

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

Preview Lab → · Contrast checker → · Palette generator →