#604FBB#604FBB

#604FBB is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.3% C 0.163 H 286.2°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#604FBB
RGB	rgb(96, 79, 187)
HSL	hsl(249, 44%, 52%)
HSV	hsv(249, 58%, 73%)
CMYK	cmyk(48.7%, 57.8%, 0%, 26.7%)
CIE-LAB	lab(40.68, 35.10, -54.89)
CIE-LCH	lch(40.68, 65.16, 302.60°)
OKLab	oklab(50.31% 0.0454 -0.1568)
OKLCH	oklch(50.31% 0.163 286.2)
XYZ	xyz(16.5869, 11.6659, 48.3818)
Luminance	0.1167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.53

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#604FBB #AABB4F

analogous

#4F74BB #604FBB #964FBB

triadic

#604FBB #BB604F #4FBB60

tetradic

#604FBB #BB4F74 #AABB4F #4FBB96

square

#604FBB #BB4F74 #AABB4F #4FBB96

split-complementary

#604FBB #BB964F #74BB4F

monochromatic

#322868 #473994 #604FBB #887BCC #B0A7DD

Accessibility & contrast

On white

6.30

#604FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#604FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #604FBB

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##604FBB	#FFFFFF	#000000	##FFFFFF
##604FBB	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063BF

Deuteranopia (green-blind)

#005DB9

Tritanopia (blue-blind)

#40677D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #604fbb;
/* rgb */ color: rgb(96, 79, 187);
/* oklch */ color: oklch(50.3% 0.163 286.2);

Tailwind

colors: {
  custom: {
    50: '#9481d0',
    500: '#604fbb',
    950: '#000000',
  },
}

SCSS

$custom: #604fbb;
$custom-light: #9481d0;
$custom-dark: #000000;

JSON

{
  "hex": "#604fbb",
  "rgb": {
    "r": 96,
    "g": 79,
    "b": 187
  },
  "hsl": {
    "h": 249.444,
    "s": 44.262,
    "l": 52.157
  },
  "oklch": {
    "l": 0.50314,
    "c": 0.16329,
    "h": 286.2
  },
  "luminance": 0.11667
}

Semantic roles & 50–950 ramp

primary

#604FBB

secondary

#C3CA9B

accent

#D454C0

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #604FBB

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

Preview Lab → · Contrast checker → · Palette generator →