#678DDA#678DDA

#678DDA is a light, vivid blue. Relative luminance 0.270; OKLCH L 64.9% C 0.123 H 263.4°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#678DDA
RGB	rgb(103, 141, 218)
HSL	hsl(220, 61%, 63%)
HSV	hsv(220, 53%, 85%)
CMYK	cmyk(52.8%, 35.3%, 0%, 14.5%)
CIE-LAB	lab(58.97, 8.64, -43.41)
CIE-LCH	lch(58.97, 44.26, 281.25°)
OKLab	oklab(64.9% -0.0142 -0.1226)
OKLCH	oklch(64.9% 0.123 263.4)
XYZ	xyz(27.7690, 26.9932, 70.0630)
Luminance	0.2700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678DDA #DAB467

analogous

#67C6DA #678DDA #7A67DA

triadic

#678DDA #DA678D #8DDA67

tetradic

#678DDA #DA67C6 #DAB467 #67DA7A

square

#678DDA #DA67C6 #DAB467 #67DA7A

split-complementary

#678DDA #DA7A67 #C6DA67

monochromatic

#274FA0 #3668CE #678DDA #98B2E6 #C9D7F2

Accessibility & contrast

On white

3.28

#678DDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#678DDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678DDA

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678DDA	#FFFFFF	#000000	##000000
##678DDA	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E94DD

Deuteranopia (green-blind)

#6189D8

Tritanopia (blue-blind)

#2B9EA9

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #678dda;
/* rgb */ color: rgb(103, 141, 218);
/* oklch */ color: oklch(64.9% 0.123 263.4);

Tailwind

colors: {
  custom: {
    50: '#99aee6',
    500: '#678dda',
    950: '#000000',
  },
}

SCSS

$custom: #678dda;
$custom-light: #99aee6;
$custom-dark: #000000;

JSON

{
  "hex": "#678dda",
  "rgb": {
    "r": 103,
    "g": 141,
    "b": 218
  },
  "hsl": {
    "h": 220.174,
    "s": 60.847,
    "l": 62.941
  },
  "oklch": {
    "l": 0.64903,
    "c": 0.1234,
    "h": 263.4
  },
  "luminance": 0.26995
}

Semantic roles & 50–950 ramp

primary

#678DDA

secondary

#E3D5BA

accent

#901DC9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #678DDA

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

Preview Lab → · Contrast checker → · Palette generator →