#678BCF#678BCF

#678BCF is a light, moderate blue. Relative luminance 0.259; OKLCH L 63.9% C 0.111 H 262.4°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#678BCF
RGB	rgb(103, 139, 207)
HSL	hsl(219, 52%, 61%)
HSV	hsv(219, 50%, 81%)
CMYK	cmyk(50.2%, 32.9%, 0%, 18.8%)
CIE-LAB	lab(57.90, 6.41, -38.93)
CIE-LCH	lch(57.90, 39.45, 279.35°)
OKLab	oklab(63.9% -0.0146 -0.1095)
OKLCH	oklch(63.9% 0.111 262.4)
XYZ	xyz(26.0849, 25.8520, 62.6348)
Luminance	0.2585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678BCF #CFAB67

analogous

#67BFCF #678BCF #7767CF

triadic

#678BCF #CF678B #8BCF67

tetradic

#678BCF #CF67BF #CFAB67 #67CF77

square

#678BCF #CF67BF #CFAB67 #67CF77

split-complementary

#678BCF #CF7767 #BFCF67

monochromatic

#2D4F8F #3C68BD #678BCF #96AEDE #C4D2EC

Accessibility & contrast

On white

3.40

#678BCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#678BCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678BCF

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678BCF	#FFFFFF	#000000	##000000
##678BCF	1.00	3.40	6.17	6.17
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7190D2

Deuteranopia (green-blind)

#6587CE

Tritanopia (blue-blind)

#389AA4

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #678bcf;
/* rgb */ color: rgb(103, 139, 207);
/* oklch */ color: oklch(63.9% 0.111 262.4);

Tailwind

colors: {
  custom: {
    50: '#98acde',
    500: '#678bcf',
    950: '#000000',
  },
}

SCSS

$custom: #678bcf;
$custom-light: #98acde;
$custom-dark: #000000;

JSON

{
  "hex": "#678bcf",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 207
  },
  "hsl": {
    "h": 219.231,
    "s": 52,
    "l": 60.784
  },
  "oklch": {
    "l": 0.63899,
    "c": 0.11052,
    "h": 262.4
  },
  "luminance": 0.25854
}

Semantic roles & 50–950 ramp

primary

#678BCF

secondary

#DDCFB5

accent

#8A26BF

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #678BCF

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

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