#685CB5#685CB5

#685CB5 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.9% C 0.136 H 287.0°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#685CB5
RGB	rgb(104, 92, 181)
HSL	hsl(248, 38%, 54%)
HSV	hsv(248, 49%, 71%)
CMYK	cmyk(42.5%, 49.2%, 0%, 29%)
CIE-LAB	lab(44.14, 27.25, -45.79)
CIE-LCH	lch(44.14, 53.29, 300.76°)
OKLab	oklab(52.94% 0.0397 -0.1298)
OKLCH	oklch(52.94% 0.136 287)
XYZ	xyz(17.8742, 13.9329, 45.4546)
Luminance	0.1393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#685CB5 #A9B55C

analogous

#5C7CB5 #685CB5 #945CB5

triadic

#685CB5 #B5685C #5CB568

tetradic

#685CB5 #B55C7C #A9B55C #5CB594

square

#685CB5 #B55C7C #A9B55C #5CB594

split-complementary

#685CB5 #B5945C #7CB55C

monochromatic

#372F68 #4D4292 #685CB5 #8F86C8 #B6B0DB

Accessibility & contrast

On white

5.55

#685CB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#685CB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #685CB5

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##685CB5	#FFFFFF	#000000	##FFFFFF
##685CB5	1.00	5.55	3.79	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386BB8

Deuteranopia (green-blind)

#3766B3

Tritanopia (blue-blind)

#516E80

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #685cb5;
/* rgb */ color: rgb(104, 92, 181);
/* oklch */ color: oklch(52.9% 0.136 287.0);

Tailwind

colors: {
  custom: {
    50: '#978acc',
    500: '#685cb5',
    950: '#000000',
  },
}

SCSS

$custom: #685cb5;
$custom-light: #978acc;
$custom-dark: #000000;

JSON

{
  "hex": "#685cb5",
  "rgb": {
    "r": 104,
    "g": 92,
    "b": 181
  },
  "hsl": {
    "h": 248.09,
    "s": 37.553,
    "l": 53.529
  },
  "oklch": {
    "l": 0.52936,
    "c": 0.13573,
    "h": 287
  },
  "luminance": 0.13934
}

Semantic roles & 50–950 ramp

primary

#685CB5

secondary

#C4C9A3

accent

#CE5ABE

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0B13

muted

#7E7C82

Preview Lab

Preview with #685CB5

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

Preview Lab → · Contrast checker → · Palette generator →