#686CB0#686CB0

#686CB0 is a mid, moderate blue. Relative luminance 0.168; OKLCH L 55.8% C 0.105 H 279.9°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#686CB0
RGB	rgb(104, 108, 176)
HSL	hsl(237, 31%, 55%)
HSV	hsv(237, 41%, 69%)
CMYK	cmyk(40.9%, 38.6%, 0%, 31%)
CIE-LAB	lab(48.01, 15.97, -36.73)
CIE-LCH	lch(48.01, 40.05, 293.49°)
OKLab	oklab(55.79% 0.0179 -0.1033)
OKLCH	oklch(55.79% 0.105 279.9)
XYZ	xyz(18.9057, 16.8020, 43.3128)
Luminance	0.1680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#686CB0 #B0AC68

analogous

#6890B0 #686CB0 #8868B0

triadic

#686CB0 #B0686C #6CB068

tetradic

#686CB0 #B06890 #B0AC68 #68B088

square

#686CB0 #B06890 #B0AC68 #68B088

split-complementary

#686CB0 #B08868 #90B068

monochromatic

#363967 #4B4F90 #686CB0 #9093C5 #B8BADA

Accessibility & contrast

On white

4.82

#686CB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#686CB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #686CB0

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##686CB0	#FFFFFF	#000000	##FFFFFF
##686CB0	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5575B3

Deuteranopia (green-blind)

#506FAE

Tritanopia (blue-blind)

#527985

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #686cb0;
/* rgb */ color: rgb(104, 108, 176);
/* oklch */ color: oklch(55.8% 0.105 279.9);

Tailwind

colors: {
  custom: {
    50: '#9696c8',
    500: '#686cb0',
    950: '#000000',
  },
}

SCSS

$custom: #686cb0;
$custom-light: #9696c8;
$custom-dark: #000000;

JSON

{
  "hex": "#686cb0",
  "rgb": {
    "r": 104,
    "g": 108,
    "b": 176
  },
  "hsl": {
    "h": 236.667,
    "s": 31.304,
    "l": 54.902
  },
  "oklch": {
    "l": 0.55786,
    "c": 0.10482,
    "h": 279.9
  },
  "luminance": 0.16803
}

Semantic roles & 50–950 ramp

primary

#686CB0

secondary

#C9C7AB

accent

#C260C7

background

#F9F9FC

surface

#F2F1F8

border

#CCCBD1

text

#0E0D13

muted

#7E7E82

Preview Lab

Preview with #686CB0

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

Preview Lab → · Contrast checker → · Palette generator →