#688EDD#688EDD

#688EDD is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.3% C 0.126 H 263.8°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#688EDD
RGB	rgb(104, 142, 221)
HSL	hsl(221, 63%, 64%)
HSV	hsv(221, 53%, 87%)
CMYK	cmyk(52.9%, 35.7%, 0%, 13.3%)
CIE-LAB	lab(59.44, 9.21, -44.34)
CIE-LCH	lch(59.44, 45.28, 281.73°)
OKLab	oklab(65.33% -0.0137 -0.1252)
OKLCH	oklch(65.33% 0.126 263.8)
XYZ	xyz(28.4287, 27.5074, 72.2040)
Luminance	0.2751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688EDD #DDB768

analogous

#68C8DD #688EDD #7C68DD

triadic

#688EDD #DD688E #8EDD68

tetradic

#688EDD #DD68C8 #DDB768 #68DD7C

square

#688EDD #DD68C8 #DDB768 #68DD7C

split-complementary

#688EDD #DD7C68 #C8DD68

monochromatic

#254FA5 #3669D2 #688EDD #9AB3E8 #CCD9F3

Accessibility & contrast

On white

3.23

#688EDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#688EDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688EDD

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688EDD	#FFFFFF	#000000	##000000
##688EDD	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F95E0

Deuteranopia (green-blind)

#618ADB

Tritanopia (blue-blind)

#2B9FAB

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #688edd;
/* rgb */ color: rgb(104, 142, 221);
/* oklch */ color: oklch(65.3% 0.126 263.8);

Tailwind

colors: {
  custom: {
    50: '#9aaee8',
    500: '#688edd',
    950: '#000000',
  },
}

SCSS

$custom: #688edd;
$custom-light: #9aaee8;
$custom-dark: #000000;

JSON

{
  "hex": "#688edd",
  "rgb": {
    "r": 104,
    "g": 142,
    "b": 221
  },
  "hsl": {
    "h": 220.513,
    "s": 63.243,
    "l": 63.725
  },
  "oklch": {
    "l": 0.65332,
    "c": 0.12599,
    "h": 263.8
  },
  "luminance": 0.2751
}

Semantic roles & 50–950 ramp

primary

#688EDD

secondary

#E5D8BC

accent

#921ACB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #688EDD

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

Preview Lab → · Contrast checker → · Palette generator →