#686CBB#686CBB

#686CBB is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.4% C 0.121 H 279.6°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#686CBB
RGB	rgb(104, 108, 187)
HSL	hsl(237, 38%, 57%)
HSV	hsv(237, 44%, 73%)
CMYK	cmyk(44.4%, 42.2%, 0%, 26.7%)
CIE-LAB	lab(48.58, 19.22, -42.21)
CIE-LCH	lch(48.58, 46.38, 294.49°)
OKLab	oklab(56.41% 0.0201 -0.1193)
OKLCH	oklch(56.41% 0.121 279.6)
XYZ	xyz(20.0384, 17.2551, 49.2788)
Luminance	0.1726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#686CBB #BBB768

analogous

#6896BB #686CBB #8D68BB

triadic

#686CBB #BB686C #6CBB68

tetradic

#686CBB #BB6896 #BBB768 #68BB8D

square

#686CBB #BB6896 #BBB768 #68BB8D

split-complementary

#686CBB #BB8D68 #96BB68

monochromatic

#343774 #474C9E #686CBB #9295CE #BCBEE1

Accessibility & contrast

On white

4.72

#686CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#686CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #686CBB

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##686CBB	#FFFFFF	#000000	##FFFFFF
##686CBB	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E77BE

Deuteranopia (green-blind)

#4970B9

Tritanopia (blue-blind)

#4D7C8A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #686cbb;
/* rgb */ color: rgb(104, 108, 187);
/* oklch */ color: oklch(56.4% 0.121 279.6);

Tailwind

colors: {
  custom: {
    50: '#9796d0',
    500: '#686cbb',
    950: '#000000',
  },
}

SCSS

$custom: #686cbb;
$custom-light: #9796d0;
$custom-dark: #000000;

JSON

{
  "hex": "#686cbb",
  "rgb": {
    "r": 104,
    "g": 108,
    "b": 187
  },
  "hsl": {
    "h": 237.108,
    "s": 37.9,
    "l": 57.059
  },
  "oklch": {
    "l": 0.56408,
    "c": 0.12094,
    "h": 279.6
  },
  "luminance": 0.17256
}

Semantic roles & 50–950 ramp

primary

#686CBB

secondary

#D0CFAF

accent

#C85ACE

background

#F9F9FC

surface

#F2F1F9

border

#CCCBD2

text

#0E0D14

muted

#7E7E82

Preview Lab

Preview with #686CBB

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

Preview Lab → · Contrast checker → · Palette generator →