#688FEA#688FEA

#688FEA is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.3% C 0.143 H 265.2°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#688FEA
RGB	rgb(104, 143, 234)
HSL	hsl(222, 76%, 66%)
HSV	hsv(222, 56%, 92%)
CMYK	cmyk(55.6%, 38.9%, 0%, 8.2%)
CIE-LAB	lab(60.36, 12.71, -50.11)
CIE-LCH	lch(60.36, 51.69, 284.24°)
OKLab	oklab(66.26% -0.0119 -0.1421)
OKLCH	oklch(66.26% 0.143 265.2)
XYZ	xyz(30.3776, 28.5261, 81.7312)
Luminance	0.2853 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688FEA #EAC368

analogous

#68D0EA #688FEA #8268EA

triadic

#688FEA #EA688F #8FEA68

tetradic

#688FEA #EA68D0 #EAC368 #68EA82

square

#688FEA #EA68D0 #EAC368 #68EA82

split-complementary

#688FEA #EA8268 #D0EA68

monochromatic

#1A4BBD #3267E3 #688FEA #9EB7F1 #D3DFF9

Accessibility & contrast

On white

3.13

#688FEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.71

#688FEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688FEA

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688FEA	#FFFFFF	#000000	##000000
##688FEA	1.00	3.13	6.71	6.71
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.71	21.00	1.00	1.00
##000000	6.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6998EE

Deuteranopia (green-blind)

#598CE8

Tritanopia (blue-blind)

#11A3B1

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #688fea;
/* rgb */ color: rgb(104, 143, 234);
/* oklch */ color: oklch(66.3% 0.143 265.2);

Tailwind

colors: {
  custom: {
    50: '#9caff1',
    500: '#688fea',
    950: '#000000',
  },
}

SCSS

$custom: #688fea;
$custom-light: #9caff1;
$custom-dark: #000000;

JSON

{
  "hex": "#688fea",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 234
  },
  "hsl": {
    "h": 222,
    "s": 75.581,
    "l": 66.275
  },
  "oklch": {
    "l": 0.66256,
    "c": 0.14259,
    "h": 265.2
  },
  "luminance": 0.28528
}

Semantic roles & 50–950 ramp

primary

#688FEA

secondary

#ECDFC2

accent

#9B0ED8

background

#FAFAFE

surface

#F4F4FD

border

#CECED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688FEA

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

Preview Lab → · Contrast checker → · Palette generator →