#678DEF#678DEF

#678DEF is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.1% C 0.152 H 266.4°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#678DEF
RGB	rgb(103, 141, 239)
HSL	hsl(223, 81%, 67%)
HSV	hsv(223, 57%, 94%)
CMYK	cmyk(56.9%, 41%, 0%, 6.3%)
CIE-LAB	lab(60.04, 15.29, -53.39)
CIE-LCH	lch(60.04, 55.54, 285.98°)
OKLab	oklab(66.08% -0.0097 -0.1518)
OKLCH	oklch(66.08% 0.152 266.4)
XYZ	xyz(30.6931, 28.1629, 85.4632)
Luminance	0.2817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678DEF #EFC967

analogous

#67D1EF #678DEF #8567EF

triadic

#678DEF #EF678D #8DEF67

tetradic

#678DEF #EF67D1 #EFC967 #67EF85

square

#678DEF #EF67D1 #EFC967 #67EF85

split-complementary

#678DEF #EF8567 #D1EF67

monochromatic

#1547C7 #3063E9 #678DEF #9EB7F5 #D6E0FB

Accessibility & contrast

On white

3.17

#678DEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.63

#678DEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678DEF

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678DEF	#FFFFFF	#000000	##000000
##678DEF	1.00	3.17	6.63	6.63
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.63	21.00	1.00	1.00
##000000	6.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6397F3

Deuteranopia (green-blind)

#518BED

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #678def;
/* rgb */ color: rgb(103, 141, 239);
/* oklch */ color: oklch(66.1% 0.152 266.4);

Tailwind

colors: {
  custom: {
    50: '#9cadf5',
    500: '#678def',
    950: '#000000',
  },
}

SCSS

$custom: #678def;
$custom-light: #9cadf5;
$custom-dark: #000000;

JSON

{
  "hex": "#678def",
  "rgb": {
    "r": 103,
    "g": 141,
    "b": 239
  },
  "hsl": {
    "h": 223.235,
    "s": 80.952,
    "l": 67.059
  },
  "oklch": {
    "l": 0.66076,
    "c": 0.15207,
    "h": 266.4
  },
  "luminance": 0.28165
}

Semantic roles & 50–950 ramp

primary

#678DEF

secondary

#EEE2C3

accent

#A208DD

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #678DEF

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

Preview Lab → · Contrast checker → · Palette generator →