#677FD9#677FD9

#677FD9 is a mid, vivid blue. Relative luminance 0.231; OKLCH L 61.9% C 0.139 H 270.7°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#677FD9
RGB	rgb(103, 127, 217)
HSL	hsl(227, 60%, 63%)
HSV	hsv(227, 53%, 85%)
CMYK	cmyk(52.5%, 41.5%, 0%, 14.9%)
CIE-LAB	lab(55.14, 16.68, -48.90)
CIE-LCH	lch(55.14, 51.67, 288.83°)
OKLab	oklab(61.94% 0.0016 -0.1387)
OKLCH	oklch(61.94% 0.139 270.7)
XYZ	xyz(25.7032, 23.0703, 68.7308)
Luminance	0.2307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677FD9 #D9C167

analogous

#67B8D9 #677FD9 #8867D9

triadic

#677FD9 #D9677F #7FD967

tetradic

#677FD9 #D967B8 #D9C167 #67D988

square

#677FD9 #D967B8 #D9C167 #67D988

split-complementary

#677FD9 #D98867 #B8D967

monochromatic

#28409E #3656CD #677FD9 #98A8E5 #C9D1F1

Accessibility & contrast

On white

3.74

#677FD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#677FD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677FD9

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677FD9	#FFFFFF	#000000	##000000
##677FD9	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A89DC

Deuteranopia (green-blind)

#4D7FD7

Tritanopia (blue-blind)

#3092A1

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #677fd9;
/* rgb */ color: rgb(103, 127, 217);
/* oklch */ color: oklch(61.9% 0.139 270.7);

Tailwind

colors: {
  custom: {
    50: '#99a3e5',
    500: '#677fd9',
    950: '#000000',
  },
}

SCSS

$custom: #677fd9;
$custom-light: #99a3e5;
$custom-dark: #000000;

JSON

{
  "hex": "#677fd9",
  "rgb": {
    "r": 103,
    "g": 127,
    "b": 217
  },
  "hsl": {
    "h": 227.368,
    "s": 60,
    "l": 62.745
  },
  "oklch": {
    "l": 0.61936,
    "c": 0.13874,
    "h": 270.7
  },
  "luminance": 0.23072
}

Semantic roles & 50–950 ramp

primary

#677FD9

secondary

#E3DAB9

accent

#A41EC8

background

#F9FAFE

surface

#F2F3FC

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #677FD9

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

Preview Lab → · Contrast checker → · Palette generator →