#688FFB#688FFB

#688FFB is a light, vivid blue. Relative luminance 0.296; OKLCH L 67.2% C 0.166 H 267.0°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#688FFB
RGB	rgb(104, 143, 251)
HSL	hsl(224, 95%, 70%)
HSV	hsv(224, 59%, 98%)
CMYK	cmyk(58.6%, 43%, 0%, 1.6%)
CIE-LAB	lab(61.26, 18.17, -58.04)
CIE-LCH	lch(61.26, 60.82, 287.38°)
OKLab	oklab(67.25% -0.0087 -0.1653)
OKLCH	oklch(67.25% 0.166 267)
XYZ	xyz(32.9381, 29.5503, 95.2161)
Luminance	0.2955 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688FFB #FBD468

analogous

#68D8FB #688FFB #8B68FB

triadic

#688FFB #FB688F #8FFB68

tetradic

#688FFB #FB68D8 #FBD468 #68FB8B

square

#688FFB #FB68D8 #FBD468 #68FB8B

split-complementary

#688FFB #FB8B68 #D8FB68

monochromatic

#0641E3 #2C63F9 #688FFB #A4BBFD #DFE7FE

Accessibility & contrast

On white

3.04

#688FFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.91

#688FFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688FFB

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688FFB	#FFFFFF	#000000	##000000
##688FFB	1.00	3.04	6.91	6.91
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.91	21.00	1.00	1.00
##000000	6.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E9BFF

Deuteranopia (green-blind)

#498EF9

Tritanopia (blue-blind)

#00A7B9

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #688ffb;
/* rgb */ color: rgb(104, 143, 251);
/* oklch */ color: oklch(67.2% 0.166 267.0);

Tailwind

colors: {
  custom: {
    50: '#9eaffd',
    500: '#688ffb',
    950: '#000000',
  },
}

SCSS

$custom: #688ffb;
$custom-light: #9eaffd;
$custom-dark: #000000;

JSON

{
  "hex": "#688ffb",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 251
  },
  "hsl": {
    "h": 224.082,
    "s": 94.839,
    "l": 69.608
  },
  "oklch": {
    "l": 0.67245,
    "c": 0.16558,
    "h": 267
  },
  "luminance": 0.29553
}

Semantic roles & 50–950 ramp

primary

#688FFB

secondary

#F4E9CA

accent

#A900E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #688FFB

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

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