#615BB3#615BB3

#615BB3 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.0% C 0.135 H 283.7°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#615BB3
RGB	rgb(97, 91, 179)
HSL	hsl(244, 37%, 53%)
HSV	hsv(244, 49%, 70%)
CMYK	cmyk(45.8%, 49.2%, 0%, 29.8%)
CIE-LAB	lab(43.18, 25.55, -46.19)
CIE-LCH	lch(43.18, 52.78, 298.95°)
OKLab	oklab(52.03% 0.0321 -0.1312)
OKLCH	oklch(52.03% 0.135 283.7)
XYZ	xyz(16.8051, 13.2775, 44.3164)
Luminance	0.1328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#615BB3 #ADB35B

analogous

#5B81B3 #615BB3 #8D5BB3

triadic

#615BB3 #B3615B #5BB361

tetradic

#615BB3 #B35B81 #ADB35B #5BB38D

square

#615BB3 #B35B81 #ADB35B #5BB38D

split-complementary

#615BB3 #B38D5B #81B35B

monochromatic

#322F65 #47428F #615BB3 #8985C6 #B2AFDA

Accessibility & contrast

On white

5.74

#615BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#615BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #615BB3

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##615BB3	#FFFFFF	#000000	##FFFFFF
##615BB3	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)

#3569B6

Deuteranopia (green-blind)

#3163B1

Tritanopia (blue-blind)

#466E7E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #615bb3;
/* rgb */ color: rgb(97, 91, 179);
/* oklch */ color: oklch(52.0% 0.135 283.7);

Tailwind

colors: {
  custom: {
    50: '#9389ca',
    500: '#615bb3',
    950: '#000000',
  },
}

SCSS

$custom: #615bb3;
$custom-light: #9389ca;
$custom-dark: #000000;

JSON

{
  "hex": "#615bb3",
  "rgb": {
    "r": 97,
    "g": 91,
    "b": 179
  },
  "hsl": {
    "h": 244.091,
    "s": 36.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.52032,
    "c": 0.13503,
    "h": 283.7
  },
  "luminance": 0.13278
}

Semantic roles & 50–950 ramp

primary

#615BB3

secondary

#C5C8A2

accent

#CD5BC5

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0D0B13

muted

#7E7C82

Preview Lab

Preview with #615BB3

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

Preview Lab → · Contrast checker → · Palette generator →