#686BBB#686BBB

#686BBB is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.2% C 0.122 H 280.1°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#686BBB
RGB	rgb(104, 107, 187)
HSL	hsl(238, 38%, 57%)
HSV	hsv(238, 44%, 73%)
CMYK	cmyk(44.4%, 42.8%, 0%, 26.7%)
CIE-LAB	lab(48.32, 19.84, -42.63)
CIE-LCH	lch(48.32, 47.02, 294.95°)
OKLab	oklab(56.21% 0.0214 -0.1205)
OKLCH	oklch(56.21% 0.122 280.1)
XYZ	xyz(19.9336, 17.0454, 49.2438)
Luminance	0.1705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#686BBB #BBB868

analogous

#6895BB #686BBB #8E68BB

triadic

#686BBB #BB686B #6BBB68

tetradic

#686BBB #BB6895 #BBB868 #68BB8E

square

#686BBB #BB6895 #BBB868 #68BB8E

split-complementary

#686BBB #BB8E68 #95BB68

monochromatic

#343774 #474B9E #686BBB #9294CE #BCBEE1

Accessibility & contrast

On white

4.76

#686BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#686BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #686BBB

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##686BBB	#FFFFFF	#000000	##FFFFFF
##686BBB	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D76BE

Deuteranopia (green-blind)

#4870B9

Tritanopia (blue-blind)

#4D7B8A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #686bbb;
/* rgb */ color: rgb(104, 107, 187);
/* oklch */ color: oklch(56.2% 0.122 280.1);

Tailwind

colors: {
  custom: {
    50: '#9795d0',
    500: '#686bbb',
    950: '#000000',
  },
}

SCSS

$custom: #686bbb;
$custom-light: #9795d0;
$custom-dark: #000000;

JSON

{
  "hex": "#686bbb",
  "rgb": {
    "r": 104,
    "g": 107,
    "b": 187
  },
  "hsl": {
    "h": 237.831,
    "s": 37.9,
    "l": 57.059
  },
  "oklch": {
    "l": 0.56208,
    "c": 0.12236,
    "h": 280.1
  },
  "luminance": 0.17046
}

Semantic roles & 50–950 ramp

primary

#686BBB

secondary

#D0CFAF

accent

#CA5ACE

background

#F9F9FC

surface

#F2F1F9

border

#CCCBD2

text

#0E0D14

muted

#7E7E82

Preview Lab

Preview with #686BBB

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

Preview Lab → · Contrast checker → · Palette generator →