#678BD3#678BD3

#678BD3 is a light, moderate blue. Relative luminance 0.261; OKLCH L 64.1% C 0.116 H 263.3°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#678BD3
RGB	rgb(103, 139, 211)
HSL	hsl(220, 55%, 62%)
HSV	hsv(220, 51%, 83%)
CMYK	cmyk(51.2%, 34.1%, 0%, 17.3%)
CIE-LAB	lab(58.08, 7.64, -40.88)
CIE-LCH	lch(58.08, 41.59, 280.59°)
OKLab	oklab(64.11% -0.0136 -0.1152)
OKLCH	oklch(64.11% 0.116 263.3)
XYZ	xyz(26.5801, 26.0501, 65.2429)
Luminance	0.2605 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678BD3 #D3AF67

analogous

#67C1D3 #678BD3 #7967D3

triadic

#678BD3 #D3678B #8BD367

tetradic

#678BD3 #D367C1 #D3AF67 #67D379

square

#678BD3 #D367C1 #D3AF67 #67D379

split-complementary

#678BD3 #D37967 #C1D367

monochromatic

#2B4E95 #3967C4 #678BD3 #96AFE1 #C6D3EE

Accessibility & contrast

On white

3.38

#678BD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#678BD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678BD3

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678BD3	#FFFFFF	#000000	##000000
##678BD3	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F91D6

Deuteranopia (green-blind)

#6387D1

Tritanopia (blue-blind)

#349BA5

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #678bd3;
/* rgb */ color: rgb(103, 139, 211);
/* oklch */ color: oklch(64.1% 0.116 263.3);

Tailwind

colors: {
  custom: {
    50: '#99ace1',
    500: '#678bd3',
    950: '#000000',
  },
}

SCSS

$custom: #678bd3;
$custom-light: #99ace1;
$custom-dark: #000000;

JSON

{
  "hex": "#678bd3",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 211
  },
  "hsl": {
    "h": 220,
    "s": 55.102,
    "l": 61.569
  },
  "oklch": {
    "l": 0.64107,
    "c": 0.11602,
    "h": 263.3
  },
  "luminance": 0.26052
}

Semantic roles & 50–950 ramp

primary

#678BD3

secondary

#DFD2B7

accent

#8D23C3

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #678BD3

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

Preview Lab → · Contrast checker → · Palette generator →