#678FDD#678FDD

#678FDD is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.5% C 0.125 H 262.8°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#678FDD
RGB	rgb(103, 143, 221)
HSL	hsl(220, 63%, 64%)
HSV	hsv(220, 53%, 87%)
CMYK	cmyk(53.4%, 35.3%, 0%, 13.3%)
CIE-LAB	lab(59.66, 8.40, -44.00)
CIE-LCH	lch(59.66, 44.79, 280.81°)
OKLab	oklab(65.49% -0.0157 -0.1243)
OKLCH	oklch(65.49% 0.125 262.8)
XYZ	xyz(28.4627, 27.7468, 72.2484)
Luminance	0.2775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678FDD #DDB567

analogous

#67CADD #678FDD #7A67DD

triadic

#678FDD #DD678F #8FDD67

tetradic

#678FDD #DD67CA #DDB567 #67DD7A

square

#678FDD #DD67CA #DDB567 #67DD7A

split-complementary

#678FDD #DD7A67 #CADD67

monochromatic

#2550A5 #356AD2 #678FDD #99B4E8 #CBD9F3

Accessibility & contrast

On white

3.21

#678FDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#678FDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678FDD

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678FDD	#FFFFFF	#000000	##000000
##678FDD	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7096E0

Deuteranopia (green-blind)

#628BDB

Tritanopia (blue-blind)

#27A0AC

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #678fdd;
/* rgb */ color: rgb(103, 143, 221);
/* oklch */ color: oklch(65.5% 0.125 262.8);

Tailwind

colors: {
  custom: {
    50: '#9aafe8',
    500: '#678fdd',
    950: '#000000',
  },
}

SCSS

$custom: #678fdd;
$custom-light: #9aafe8;
$custom-dark: #000000;

JSON

{
  "hex": "#678fdd",
  "rgb": {
    "r": 103,
    "g": 143,
    "b": 221
  },
  "hsl": {
    "h": 219.661,
    "s": 63.441,
    "l": 63.529
  },
  "oklch": {
    "l": 0.65487,
    "c": 0.12526,
    "h": 262.8
  },
  "luminance": 0.27749
}

Semantic roles & 50–950 ramp

primary

#678FDD

secondary

#E5D7BB

accent

#8F1ACB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #678FDD

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

Preview Lab → · Contrast checker → · Palette generator →