#686BCB#686BCB

#686BCB is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.2% C 0.145 H 279.4°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#686BCB
RGB	rgb(104, 107, 203)
HSL	hsl(238, 49%, 60%)
HSV	hsv(238, 49%, 80%)
CMYK	cmyk(48.8%, 47.3%, 0%, 20.4%)
CIE-LAB	lab(49.21, 24.70, -50.40)
CIE-LCH	lch(49.21, 56.13, 296.10°)
OKLab	oklab(57.18% 0.0237 -0.1433)
OKLCH	oklch(57.18% 0.145 279.4)
XYZ	xyz(21.7428, 17.7691, 58.7724)
Luminance	0.1777 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#686BCB #CBC868

analogous

#689CCB #686BCB #9768CB

triadic

#686BCB #CB686B #6BCB68

tetradic

#686BCB #CB689C #CBC868 #68CB97

square

#686BCB #CB689C #CBC868 #68CB97

split-complementary

#686BCB #CB9768 #9CCB68

monochromatic

#2F3289 #3F43B7 #686BCB #9698DB #C3C4EA

Accessibility & contrast

On white

4.61

#686BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#686BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #686BCB

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##686BCB	#FFFFFF	#000000	##FFFFFF
##686BCB	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4179CF

Deuteranopia (green-blind)

#3971C9

Tritanopia (blue-blind)

#438091

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #686bcb;
/* rgb */ color: rgb(104, 107, 203);
/* oklch */ color: oklch(57.2% 0.145 279.4);

Tailwind

colors: {
  custom: {
    50: '#9995db',
    500: '#686bcb',
    950: '#000000',
  },
}

SCSS

$custom: #686bcb;
$custom-light: #9995db;
$custom-dark: #000000;

JSON

{
  "hex": "#686bcb",
  "rgb": {
    "r": 104,
    "g": 107,
    "b": 203
  },
  "hsl": {
    "h": 238.182,
    "s": 48.768,
    "l": 60.196
  },
  "oklch": {
    "l": 0.57181,
    "c": 0.14521,
    "h": 279.4
  },
  "luminance": 0.1777
}

Semantic roles & 50–950 ramp

primary

#686BCB

secondary

#DAD9B4

accent

#B829BC

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #686BCB

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

Preview Lab → · Contrast checker → · Palette generator →