#616BBB#616BBB

#616BBB is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.7% C 0.124 H 276.2°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#616BBB
RGB	rgb(97, 107, 187)
HSL	hsl(233, 40%, 56%)
HSV	hsv(233, 48%, 73%)
CMYK	cmyk(48.1%, 42.8%, 0%, 26.7%)
CIE-LAB	lab(47.81, 18.11, -43.47)
CIE-LCH	lch(47.81, 47.09, 292.62°)
OKLab	oklab(55.69% 0.0134 -0.1231)
OKLCH	oklch(55.69% 0.124 276.2)
XYZ	xyz(19.1543, 16.6436, 49.2073)
Luminance	0.1664 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#616BBB #BBB161

analogous

#6198BB #616BBB #8461BB

triadic

#616BBB #BB616B #6BBB61

tetradic

#616BBB #BB6198 #BBB161 #61BB84

square

#616BBB #BB6198 #BBB161 #61BB84

split-complementary

#616BBB #BB8461 #98BB61

monochromatic

#313871 #434D9C #616BBB #8C93CD #B7BBE0

Accessibility & contrast

On white

4.85

#616BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#616BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #616BBB

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##616BBB	#FFFFFF	#000000	##FFFFFF
##616BBB	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B75BE

Deuteranopia (green-blind)

#446EB9

Tritanopia (blue-blind)

#3F7C8A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #616bbb;
/* rgb */ color: rgb(97, 107, 187);
/* oklch */ color: oklch(55.7% 0.124 276.2);

Tailwind

colors: {
  custom: {
    50: '#9395d0',
    500: '#616bbb',
    950: '#000000',
  },
}

SCSS

$custom: #616bbb;
$custom-light: #9395d0;
$custom-dark: #000000;

JSON

{
  "hex": "#616bbb",
  "rgb": {
    "r": 97,
    "g": 107,
    "b": 187
  },
  "hsl": {
    "h": 233.333,
    "s": 39.823,
    "l": 55.686
  },
  "oklch": {
    "l": 0.5569,
    "c": 0.12383,
    "h": 276.2
  },
  "luminance": 0.16645
}

Semantic roles & 50–950 ramp

primary

#616BBB

secondary

#CFCAA9

accent

#C258D0

background

#F9F9FC

surface

#F2F1F9

border

#CCCBD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #616BBB

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

Preview Lab → · Contrast checker → · Palette generator →