#604FDB#604FDB

#604FDB is a mid, highly saturated blue. Relative luminance 0.132; OKLCH L 52.8% C 0.205 H 282.3°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#604FDB
RGB	rgb(96, 79, 219)
HSL	hsl(247, 66%, 58%)
HSV	hsv(247, 64%, 86%)
CMYK	cmyk(56.2%, 63.9%, 0%, 14.1%)
CIE-LAB	lab(43.05, 44.84, -69.54)
CIE-LCH	lch(43.05, 82.75, 302.82°)
OKLab	oklab(52.8% 0.0437 -0.1999)
OKLCH	oklch(52.8% 0.205 282.3)
XYZ	xyz(20.4021, 13.1919, 68.4753)
Luminance	0.1319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#604FDB #CADB4F

analogous

#4F84DB #604FDB #A64FDB

triadic

#604FDB #DB604F #4FDB60

tetradic

#604FDB #DB4F84 #CADB4F #4FDBA6

square

#604FDB #DB4F84 #CADB4F #4FDBA6

split-complementary

#604FDB #DBA64F #84DB4F

monochromatic

#2C1E92 #3B28C5 #604FDB #8E82E5 #BCB5F0

Accessibility & contrast

On white

5.77

#604FDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#604FDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #604FDB

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##604FDB	#FFFFFF	#000000	##FFFFFF
##604FDB	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADF

Deuteranopia (green-blind)

#0061D8

Tritanopia (blue-blind)

#20728E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #604fdb;
/* rgb */ color: rgb(96, 79, 219);
/* oklch */ color: oklch(52.8% 0.205 282.3);

Tailwind

colors: {
  custom: {
    50: '#9881e7',
    500: '#604fdb',
    950: '#000000',
  },
}

SCSS

$custom: #604fdb;
$custom-light: #9881e7;
$custom-dark: #000000;

JSON

{
  "hex": "#604fdb",
  "rgb": {
    "r": 96,
    "g": 79,
    "b": 219
  },
  "hsl": {
    "h": 247.286,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.52795,
    "c": 0.20461,
    "h": 282.3
  },
  "luminance": 0.13193
}

Semantic roles & 50–950 ramp

primary

#604FDB

secondary

#D8DFA7

accent

#E93FD4

background

#FAF8FE

surface

#F3EFFD

border

#CDCAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #604FDB

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

Preview Lab → · Contrast checker → · Palette generator →