#677BD9#677BD9

#677BD9 is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.1% C 0.144 H 272.4°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#677BD9
RGB	rgb(103, 123, 217)
HSL	hsl(229, 60%, 63%)
HSV	hsv(229, 53%, 85%)
CMYK	cmyk(52.5%, 43.3%, 0%, 14.9%)
CIE-LAB	lab(54.09, 19.09, -50.58)
CIE-LCH	lch(54.09, 54.07, 290.68°)
OKLab	oklab(61.13% 0.0061 -0.1437)
OKLCH	oklch(61.13% 0.144 272.4)
XYZ	xyz(25.1968, 22.0575, 68.5620)
Luminance	0.2206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BD9 #D9C567

analogous

#67B4D9 #677BD9 #8C67D9

triadic

#677BD9 #D9677B #7BD967

tetradic

#677BD9 #D967B4 #D9C567 #67D98C

square

#677BD9 #D967B4 #D9C567 #67D98C

split-complementary

#677BD9 #D98C67 #B4D967

monochromatic

#283C9E #3650CD #677BD9 #98A6E5 #C9D0F1

Accessibility & contrast

On white

3.88

#677BD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#677BD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BD9

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BD9	#FFFFFF	#000000	##000000
##677BD9	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5386DD

Deuteranopia (green-blind)

#467DD7

Tritanopia (blue-blind)

#318F9F

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #677bd9;
/* rgb */ color: rgb(103, 123, 217);
/* oklch */ color: oklch(61.1% 0.144 272.4);

Tailwind

colors: {
  custom: {
    50: '#9aa0e5',
    500: '#677bd9',
    950: '#000000',
  },
}

SCSS

$custom: #677bd9;
$custom-light: #9aa0e5;
$custom-dark: #000000;

JSON

{
  "hex": "#677bd9",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 217
  },
  "hsl": {
    "h": 229.474,
    "s": 60,
    "l": 62.745
  },
  "oklch": {
    "l": 0.61126,
    "c": 0.14382,
    "h": 272.4
  },
  "luminance": 0.22059
}

Semantic roles & 50–950 ramp

primary

#677BD9

secondary

#E3DBB9

accent

#AA1EC8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #677BD9

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

Preview Lab → · Contrast checker → · Palette generator →