#677FD5#677FD5

#677FD5 is a mid, vivid blue. Relative luminance 0.229; OKLCH L 61.7% C 0.133 H 270.4°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#677FD5
RGB	rgb(103, 127, 213)
HSL	hsl(227, 57%, 62%)
HSV	hsv(227, 52%, 84%)
CMYK	cmyk(51.6%, 40.4%, 0%, 16.5%)
CIE-LAB	lab(54.93, 15.42, -46.98)
CIE-LCH	lch(54.93, 49.45, 288.17°)
OKLab	oklab(61.7% 0.0009 -0.1331)
OKLCH	oklch(61.7% 0.133 270.4)
XYZ	xyz(25.1892, 22.8647, 66.0239)
Luminance	0.2287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677FD5 #D5BD67

analogous

#67B6D5 #677FD5 #8667D5

triadic

#677FD5 #D5677F #7FD567

tetradic

#677FD5 #D567B6 #D5BD67 #67D586

square

#677FD5 #D567B6 #D5BD67 #67D586

split-complementary

#677FD5 #D58667 #B6D567

monochromatic

#2A4298 #3757C8 #677FD5 #97A7E2 #C7D0EF

Accessibility & contrast

On white

3.77

#677FD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#677FD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677FD5

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677FD5	#FFFFFF	#000000	##000000
##677FD5	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C89D8

Deuteranopia (green-blind)

#507FD3

Tritanopia (blue-blind)

#3591A0

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #677fd5;
/* rgb */ color: rgb(103, 127, 213);
/* oklch */ color: oklch(61.7% 0.133 270.4);

Tailwind

colors: {
  custom: {
    50: '#99a3e2',
    500: '#677fd5',
    950: '#000000',
  },
}

SCSS

$custom: #677fd5;
$custom-light: #99a3e2;
$custom-dark: #000000;

JSON

{
  "hex": "#677fd5",
  "rgb": {
    "r": 103,
    "g": 127,
    "b": 213
  },
  "hsl": {
    "h": 226.909,
    "s": 56.701,
    "l": 61.961
  },
  "oklch": {
    "l": 0.61704,
    "c": 0.13312,
    "h": 270.4
  },
  "luminance": 0.22866
}

Semantic roles & 50–950 ramp

primary

#677FD5

secondary

#E0D7B8

accent

#A121C4

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #677FD5

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

Preview Lab → · Contrast checker → · Palette generator →