#677DCE#677DCE

#677DCE is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.9% C 0.126 H 270.8°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#677DCE
RGB	rgb(103, 125, 206)
HSL	hsl(227, 51%, 61%)
HSV	hsv(227, 50%, 81%)
CMYK	cmyk(50%, 39.3%, 0%, 19.2%)
CIE-LAB	lab(54.03, 14.44, -44.45)
CIE-LCH	lch(54.03, 46.74, 288.00°)
OKLab	oklab(60.89% 0.0018 -0.1257)
OKLCH	oklch(60.89% 0.126 270.8)
XYZ	xyz(24.0641, 22.0055, 61.3600)
Luminance	0.2201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677DCE #CEB867

analogous

#67B1CE #677DCE #8467CE

triadic

#677DCE #CE677D #7DCE67

tetradic

#677DCE #CE67B1 #CEB867 #67CE84

square

#677DCE #CE67B1 #CEB867 #67CE84

split-complementary

#677DCE #CE8467 #B1CE67

monochromatic

#2D428D #3C58BB #677DCE #95A5DD #C4CCEC

Accessibility & contrast

On white

3.89

#677DCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#677DCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677DCE

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677DCE	#FFFFFF	#000000	##000000
##677DCE	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D86D1

Deuteranopia (green-blind)

#537DCC

Tritanopia (blue-blind)

#3B8E9B

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #677dce;
/* rgb */ color: rgb(103, 125, 206);
/* oklch */ color: oklch(60.9% 0.126 270.8);

Tailwind

colors: {
  custom: {
    50: '#98a2dd',
    500: '#677dce',
    950: '#000000',
  },
}

SCSS

$custom: #677dce;
$custom-light: #98a2dd;
$custom-dark: #000000;

JSON

{
  "hex": "#677dce",
  "rgb": {
    "r": 103,
    "g": 125,
    "b": 206
  },
  "hsl": {
    "h": 227.184,
    "s": 51.244,
    "l": 60.588
  },
  "oklch": {
    "l": 0.60893,
    "c": 0.12574,
    "h": 270.8
  },
  "luminance": 0.22007
}

Semantic roles & 50–950 ramp

primary

#677DCE

secondary

#DCD4B5

accent

#9E27BF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #677DCE

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

Preview Lab → · Contrast checker → · Palette generator →