#678CDD#678CDD

#678CDD is a light, vivid blue. Relative luminance 0.269; OKLCH L 64.9% C 0.129 H 264.5°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#678CDD
RGB	rgb(103, 140, 221)
HSL	hsl(221, 63%, 64%)
HSV	hsv(221, 53%, 87%)
CMYK	cmyk(53.4%, 36.7%, 0%, 13.3%)
CIE-LAB	lab(58.84, 10.17, -45.28)
CIE-LCH	lch(58.84, 46.41, 282.65°)
OKLab	oklab(64.85% -0.0123 -0.128)
OKLCH	oklch(64.85% 0.129 264.5)
XYZ	xyz(28.0184, 26.8581, 72.1003)
Luminance	0.2686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678CDD #DDB867

analogous

#67C7DD #678CDD #7D67DD

triadic

#678CDD #DD678C #8CDD67

tetradic

#678CDD #DD67C7 #DDB867 #67DD7D

square

#678CDD #DD67C7 #DDB867 #67DD7D

split-complementary

#678CDD #DD7D67 #C7DD67

monochromatic

#254DA5 #3566D2 #678CDD #99B2E8 #CBD8F3

Accessibility & contrast

On white

3.30

#678CDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#678CDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678CDD

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678CDD	#FFFFFF	#000000	##000000
##678CDD	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C93E0

Deuteranopia (green-blind)

#5D89DB

Tritanopia (blue-blind)

#289EAA

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #678cdd;
/* rgb */ color: rgb(103, 140, 221);
/* oklch */ color: oklch(64.9% 0.129 264.5);

Tailwind

colors: {
  custom: {
    50: '#9aade8',
    500: '#678cdd',
    950: '#000000',
  },
}

SCSS

$custom: #678cdd;
$custom-light: #9aade8;
$custom-dark: #000000;

JSON

{
  "hex": "#678cdd",
  "rgb": {
    "r": 103,
    "g": 140,
    "b": 221
  },
  "hsl": {
    "h": 221.186,
    "s": 63.441,
    "l": 63.529
  },
  "oklch": {
    "l": 0.64854,
    "c": 0.12864,
    "h": 264.5
  },
  "luminance": 0.2686
}

Semantic roles & 50–950 ramp

primary

#678CDD

secondary

#E5D8BB

accent

#941ACB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #678CDD

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

Preview Lab → · Contrast checker → · Palette generator →