#686EBB#686EBB

#686EBB is a mid, moderate blue. Relative luminance 0.177; OKLCH L 56.8% C 0.118 H 278.6°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#686EBB
RGB	rgb(104, 110, 187)
HSL	hsl(236, 38%, 57%)
HSV	hsv(236, 44%, 73%)
CMYK	cmyk(44.4%, 41.2%, 0%, 26.7%)
CIE-LAB	lab(49.11, 18.00, -41.37)
CIE-LCH	lch(49.11, 45.12, 293.51°)
OKLab	oklab(56.81% 0.0176 -0.1168)
OKLCH	oklch(56.81% 0.118 278.6)
XYZ	xyz(20.2518, 17.6818, 49.3499)
Luminance	0.1768 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#686EBB #BBB568

analogous

#6898BB #686EBB #8C68BB

triadic

#686EBB #BB686E #6EBB68

tetradic

#686EBB #BB6898 #BBB568 #68BB8C

square

#686EBB #BB6898 #BBB568 #68BB8C

split-complementary

#686EBB #BB8C68 #98BB68

monochromatic

#343974 #474E9E #686EBB #9297CE #BCBFE1

Accessibility & contrast

On white

4.63

#686EBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#686EBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #686EBB

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##686EBB	#FFFFFF	#000000	##FFFFFF
##686EBB	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5278BE

Deuteranopia (green-blind)

#4C72B9

Tritanopia (blue-blind)

#4C7E8B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #686ebb;
/* rgb */ color: rgb(104, 110, 187);
/* oklch */ color: oklch(56.8% 0.118 278.6);

Tailwind

colors: {
  custom: {
    50: '#9797d0',
    500: '#686ebb',
    950: '#000000',
  },
}

SCSS

$custom: #686ebb;
$custom-light: #9797d0;
$custom-dark: #000000;

JSON

{
  "hex": "#686ebb",
  "rgb": {
    "r": 104,
    "g": 110,
    "b": 187
  },
  "hsl": {
    "h": 235.663,
    "s": 37.9,
    "l": 57.059
  },
  "oklch": {
    "l": 0.56812,
    "c": 0.11811,
    "h": 278.6
  },
  "luminance": 0.17683
}

Semantic roles & 50–950 ramp

primary

#686EBB

secondary

#D0CEAF

accent

#C55ACE

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0D14

muted

#7E7E82

Preview Lab

Preview with #686EBB

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

Preview Lab → · Contrast checker → · Palette generator →