#615CBB#615CBB

#615CBB is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.7% C 0.145 H 282.6°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#615CBB
RGB	rgb(97, 92, 187)
HSL	hsl(243, 41%, 55%)
HSV	hsv(243, 51%, 73%)
CMYK	cmyk(48.1%, 50.8%, 0%, 26.7%)
CIE-LAB	lab(43.92, 27.38, -49.67)
CIE-LCH	lch(43.92, 56.72, 298.87°)
OKLab	oklab(52.75% 0.0316 -0.1414)
OKLCH	oklch(52.75% 0.145 282.6)
XYZ	xyz(17.7239, 13.7827, 48.7305)
Luminance	0.1378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#615CBB #B6BB5C

analogous

#5C87BB #615CBB #915CBB

triadic

#615CBB #BB615C #5CBB61

tetradic

#615CBB #BB5C87 #B6BB5C #5CBB91

square

#615CBB #BB5C87 #B6BB5C #5CBB91

split-complementary

#615CBB #BB915C #87BB5C

monochromatic

#312E6F #45409A #615CBB #8B87CD #B5B2DF

Accessibility & contrast

On white

5.59

#615CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#615CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #615CBB

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##615CBB	#FFFFFF	#000000	##FFFFFF
##615CBB	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#306BBE

Deuteranopia (green-blind)

#2A65B9

Tritanopia (blue-blind)

#417183

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #615cbb;
/* rgb */ color: rgb(97, 92, 187);
/* oklch */ color: oklch(52.7% 0.145 282.6);

Tailwind

colors: {
  custom: {
    50: '#948ad0',
    500: '#615cbb',
    950: '#000000',
  },
}

SCSS

$custom: #615cbb;
$custom-light: #948ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#615cbb",
  "rgb": {
    "r": 97,
    "g": 92,
    "b": 187
  },
  "hsl": {
    "h": 243.158,
    "s": 41.126,
    "l": 54.706
  },
  "oklch": {
    "l": 0.52746,
    "c": 0.14489,
    "h": 282.6
  },
  "luminance": 0.13784
}

Semantic roles & 50–950 ramp

primary

#615CBB

secondary

#CBCDA5

accent

#D157CB

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0B14

muted

#7E7C82

Preview Lab

Preview with #615CBB

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

Preview Lab → · Contrast checker → · Palette generator →