#678DCF#678DCF

#678DCF is a light, moderate blue. Relative luminance 0.264; OKLCH L 64.3% C 0.108 H 261.0°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#678DCF
RGB	rgb(103, 141, 207)
HSL	hsl(218, 52%, 61%)
HSV	hsv(218, 50%, 81%)
CMYK	cmyk(50.2%, 31.9%, 0%, 18.8%)
CIE-LAB	lab(58.45, 5.24, -38.06)
CIE-LCH	lch(58.45, 38.42, 277.83°)
OKLab	oklab(64.33% -0.017 -0.107)
OKLCH	oklch(64.33% 0.108 261)
XYZ	xyz(26.3771, 26.4365, 62.7322)
Luminance	0.2644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678DCF #CFA967

analogous

#67C1CF #678DCF #7567CF

triadic

#678DCF #CF678D #8DCF67

tetradic

#678DCF #CF67C1 #CFA967 #67CF75

square

#678DCF #CF67C1 #CFA967 #67CF75

split-complementary

#678DCF #CF7567 #C1CF67

monochromatic

#2D518F #3C6BBD #678DCF #96B0DE #C4D3EC

Accessibility & contrast

On white

3.34

#678DCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#678DCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678DCF

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678DCF	#FFFFFF	#000000	##000000
##678DCF	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7492D2

Deuteranopia (green-blind)

#6788CE

Tritanopia (blue-blind)

#379BA5

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #678dcf;
/* rgb */ color: rgb(103, 141, 207);
/* oklch */ color: oklch(64.3% 0.108 261.0);

Tailwind

colors: {
  custom: {
    50: '#98aede',
    500: '#678dcf',
    950: '#000000',
  },
}

SCSS

$custom: #678dcf;
$custom-light: #98aede;
$custom-dark: #000000;

JSON

{
  "hex": "#678dcf",
  "rgb": {
    "r": 103,
    "g": 141,
    "b": 207
  },
  "hsl": {
    "h": 218.077,
    "s": 52,
    "l": 60.784
  },
  "oklch": {
    "l": 0.64329,
    "c": 0.10836,
    "h": 261
  },
  "luminance": 0.26438
}

Semantic roles & 50–950 ramp

primary

#678DCF

secondary

#DDCEB5

accent

#8726BF

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #678DCF

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

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