#615BCB#615BCB

#615BCB is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.7% C 0.168 H 281.5°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#615BCB
RGB	rgb(97, 91, 203)
HSL	hsl(243, 52%, 58%)
HSV	hsv(243, 55%, 80%)
CMYK	cmyk(52.2%, 55.2%, 0%, 20.4%)
CIE-LAB	lab(44.71, 32.95, -57.67)
CIE-LCH	lch(44.71, 66.42, 299.74°)
OKLab	oklab(53.67% 0.0336 -0.1649)
OKLCH	oklch(53.67% 0.168 281.5)
XYZ	xyz(19.4470, 14.3342, 58.2304)
Luminance	0.1434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#615BCB #C5CB5B

analogous

#5B8DCB #615BCB #995BCB

triadic

#615BCB #CB615B #5BCB61

tetradic

#615BCB #CB5B8D #C5CB5B #5BCB99

square

#615BCB #CB5B8D #C5CB5B #5BCB99

split-complementary

#615BCB #CB995B #8DCB5B

monochromatic

#2E2982 #3F38B1 #615BCB #8E89DA #BBB8E8

Accessibility & contrast

On white

5.43

#615BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#615BCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #615BCB

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##615BCB	#FFFFFF	#000000	##FFFFFF
##615BCB	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#126ECF

Deuteranopia (green-blind)

#0066C9

Tritanopia (blue-blind)

#35748A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #615bcb;
/* rgb */ color: rgb(97, 91, 203);
/* oklch */ color: oklch(53.7% 0.168 281.5);

Tailwind

colors: {
  custom: {
    50: '#9689dc',
    500: '#615bcb',
    950: '#000000',
  },
}

SCSS

$custom: #615bcb;
$custom-light: #9689dc;
$custom-dark: #000000;

JSON

{
  "hex": "#615bcb",
  "rgb": {
    "r": 97,
    "g": 91,
    "b": 203
  },
  "hsl": {
    "h": 243.214,
    "s": 51.852,
    "l": 57.647
  },
  "oklch": {
    "l": 0.53667,
    "c": 0.16831,
    "h": 281.5
  },
  "luminance": 0.14335
}

Semantic roles & 50–950 ramp

primary

#615BCB

secondary

#D5D7AA

accent

#DB4CD4

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #615BCB

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

Preview Lab → · Contrast checker → · Palette generator →