#677FD8#677FD8

#677FD8 is a mid, vivid blue. Relative luminance 0.230; OKLCH L 61.9% C 0.137 H 270.6°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#677FD8
RGB	rgb(103, 127, 216)
HSL	hsl(227, 59%, 63%)
HSV	hsv(227, 52%, 85%)
CMYK	cmyk(52.3%, 41.2%, 0%, 15.3%)
CIE-LAB	lab(55.09, 16.36, -48.42)
CIE-LCH	lch(55.09, 51.11, 288.67°)
OKLab	oklab(61.88% 0.0014 -0.1373)
OKLCH	oklch(61.88% 0.137 270.6)
XYZ	xyz(25.5735, 23.0184, 68.0478)
Luminance	0.2302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677FD8 #D8C067

analogous

#67B7D8 #677FD8 #8867D8

triadic

#677FD8 #D8677F #7FD867

tetradic

#677FD8 #D867B7 #D8C067 #67D888

square

#677FD8 #D867B7 #D8C067 #67D888

split-complementary

#677FD8 #D88867 #B7D867

monochromatic

#28419C #3656CC #677FD8 #98A8E4 #C8D1F1

Accessibility & contrast

On white

3.75

#677FD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#677FD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677FD8

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677FD8	#FFFFFF	#000000	##000000
##677FD8	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A89DB

Deuteranopia (green-blind)

#4E7FD6

Tritanopia (blue-blind)

#3192A1

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #677fd8;
/* rgb */ color: rgb(103, 127, 216);
/* oklch */ color: oklch(61.9% 0.137 270.6);

Tailwind

colors: {
  custom: {
    50: '#99a3e4',
    500: '#677fd8',
    950: '#000000',
  },
}

SCSS

$custom: #677fd8;
$custom-light: #99a3e4;
$custom-dark: #000000;

JSON

{
  "hex": "#677fd8",
  "rgb": {
    "r": 103,
    "g": 127,
    "b": 216
  },
  "hsl": {
    "h": 227.257,
    "s": 59.162,
    "l": 62.549
  },
  "oklch": {
    "l": 0.61877,
    "c": 0.13734,
    "h": 270.6
  },
  "luminance": 0.2302
}

Semantic roles & 50–950 ramp

primary

#677FD8

secondary

#E2D9B9

accent

#A31FC7

background

#F9FAFE

surface

#F2F3FC

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #677FD8

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

Preview Lab → · Contrast checker → · Palette generator →