#605BB5#605BB5

#605BB5 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.1% C 0.138 H 283.0°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#605BB5
RGB	rgb(96, 91, 181)
HSL	hsl(243, 38%, 53%)
HSV	hsv(243, 50%, 71%)
CMYK	cmyk(47%, 49.7%, 0%, 29%)
CIE-LAB	lab(43.22, 25.92, -47.30)
CIE-LCH	lch(43.22, 53.94, 298.73°)
OKLab	oklab(52.08% 0.0311 -0.1344)
OKLCH	oklch(52.08% 0.138 283)
XYZ	xyz(16.9030, 13.3044, 45.3845)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#605BB5 #B0B55B

analogous

#5B83B5 #605BB5 #8D5BB5

triadic

#605BB5 #B5605B #5BB560

tetradic

#605BB5 #B55B83 #B0B55B #5BB58D

square

#605BB5 #B55B83 #B0B55B #5BB58D

split-complementary

#605BB5 #B58D5B #83B55B

monochromatic

#322F67 #464291 #605BB5 #8985C8 #B2AFDB

Accessibility & contrast

On white

5.74

#605BB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#605BB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #605BB5

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##605BB5	#FFFFFF	#000000	##FFFFFF
##605BB5	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3369B8

Deuteranopia (green-blind)

#2E63B3

Tritanopia (blue-blind)

#436E7F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #605bb5;
/* rgb */ color: rgb(96, 91, 181);
/* oklch */ color: oklch(52.1% 0.138 283.0);

Tailwind

colors: {
  custom: {
    50: '#9289cc',
    500: '#605bb5',
    950: '#000000',
  },
}

SCSS

$custom: #605bb5;
$custom-light: #9289cc;
$custom-dark: #000000;

JSON

{
  "hex": "#605bb5",
  "rgb": {
    "r": 96,
    "g": 91,
    "b": 181
  },
  "hsl": {
    "h": 243.333,
    "s": 37.815,
    "l": 53.333
  },
  "oklch": {
    "l": 0.5208,
    "c": 0.13799,
    "h": 283
  },
  "luminance": 0.13305
}

Semantic roles & 50–950 ramp

primary

#605BB5

secondary

#C7C9A3

accent

#CE5AC7

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0D0B13

muted

#7E7C82

Preview Lab

Preview with #605BB5

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

Preview Lab → · Contrast checker → · Palette generator →