#616CBB#616CBB

#616CBB is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.9% C 0.122 H 275.7°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#616CBB
RGB	rgb(97, 108, 187)
HSL	hsl(233, 40%, 56%)
HSV	hsv(233, 48%, 73%)
CMYK	cmyk(48.1%, 42.2%, 0%, 26.7%)
CIE-LAB	lab(48.07, 17.49, -43.04)
CIE-LCH	lch(48.07, 46.46, 292.12°)
OKLab	oklab(55.89% 0.0122 -0.1218)
OKLCH	oklch(55.89% 0.122 275.7)
XYZ	xyz(19.2592, 16.8533, 49.2423)
Luminance	0.1685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#616CBB #BBB061

analogous

#6199BB #616CBB #8361BB

triadic

#616CBB #BB616C #6CBB61

tetradic

#616CBB #BB6199 #BBB061 #61BB83

square

#616CBB #BB6199 #BBB061 #61BB83

split-complementary

#616CBB #BB8361 #99BB61

monochromatic

#313871 #434E9C #616CBB #8C94CD #B7BCE0

Accessibility & contrast

On white

4.80

#616CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#616CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #616CBB

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##616CBB	#FFFFFF	#000000	##FFFFFF
##616CBB	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D76BE

Deuteranopia (green-blind)

#456FB9

Tritanopia (blue-blind)

#3F7D8A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #616cbb;
/* rgb */ color: rgb(97, 108, 187);
/* oklch */ color: oklch(55.9% 0.122 275.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#616cbb",
  "rgb": {
    "r": 97,
    "g": 108,
    "b": 187
  },
  "hsl": {
    "h": 232.667,
    "s": 39.823,
    "l": 55.686
  },
  "oklch": {
    "l": 0.55894,
    "c": 0.12246,
    "h": 275.7
  },
  "luminance": 0.16854
}

Semantic roles & 50–950 ramp

primary

#616CBB

secondary

#CFCAA9

accent

#C158D0

background

#F9F9FC

surface

#F2F1F9

border

#CCCBD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #616CBB

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

Preview Lab → · Contrast checker → · Palette generator →