#688EFB#688EFB

#688EFB is a light, vivid blue. Relative luminance 0.293; OKLCH L 67.0% C 0.167 H 267.4°. Best body text is #000000 at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#688EFB
RGB	rgb(104, 142, 251)
HSL	hsl(224, 95%, 70%)
HSV	hsv(224, 59%, 98%)
CMYK	cmyk(58.6%, 43.4%, 0%, 1.6%)
CIE-LAB	lab(61.00, 18.76, -58.46)
CIE-LCH	lch(61.00, 61.40, 287.79°)
OKLab	oklab(67.04% -0.0077 -0.1666)
OKLCH	oklch(67.04% 0.167 267.4)
XYZ	xyz(32.7886, 29.2514, 95.1663)
Luminance	0.2925 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688EFB #FBD568

analogous

#68D7FB #688EFB #8C68FB

triadic

#688EFB #FB688E #8EFB68

tetradic

#688EFB #FB68D7 #FBD568 #68FB8C

square

#688EFB #FB68D7 #FBD568 #68FB8C

split-complementary

#688EFB #FB8C68 #D7FB68

monochromatic

#063FE3 #2C61F9 #688EFB #A4BBFD #DFE7FE

Accessibility & contrast

On white

3.07

#688EFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.85

#688EFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688EFB

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688EFB	#FFFFFF	#000000	##000000
##688EFB	1.00	3.07	6.85	6.85
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.85	21.00	1.00	1.00
##000000	6.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C9AFF

Deuteranopia (green-blind)

#478DF9

Tritanopia (blue-blind)

#00A6B8

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #688efb;
/* rgb */ color: rgb(104, 142, 251);
/* oklch */ color: oklch(67.0% 0.167 267.4);

Tailwind

colors: {
  custom: {
    50: '#9eaefd',
    500: '#688efb',
    950: '#000000',
  },
}

SCSS

$custom: #688efb;
$custom-light: #9eaefd;
$custom-dark: #000000;

JSON

{
  "hex": "#688efb",
  "rgb": {
    "r": 104,
    "g": 142,
    "b": 251
  },
  "hsl": {
    "h": 224.49,
    "s": 94.839,
    "l": 69.608
  },
  "oklch": {
    "l": 0.67044,
    "c": 0.16677,
    "h": 267.4
  },
  "luminance": 0.29254
}

Semantic roles & 50–950 ramp

primary

#688EFB

secondary

#F4EACA

accent

#AA00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #688EFB

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

Preview Lab → · Contrast checker → · Palette generator →