#677FD4#677FD4

#677FD4 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.6% C 0.132 H 270.3°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#677FD4
RGB	rgb(103, 127, 212)
HSL	hsl(227, 56%, 62%)
HSV	hsv(227, 51%, 83%)
CMYK	cmyk(51.4%, 40.1%, 0%, 16.9%)
CIE-LAB	lab(54.88, 15.11, -46.50)
CIE-LCH	lch(54.88, 48.90, 288.00°)
OKLab	oklab(61.65% 0.0007 -0.1317)
OKLCH	oklch(61.65% 0.132 270.3)
XYZ	xyz(25.0627, 22.8141, 65.3575)
Luminance	0.2282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677FD4 #D4BC67

analogous

#67B6D4 #677FD4 #8667D4

triadic

#677FD4 #D4677F #7FD467

tetradic

#677FD4 #D467B6 #D4BC67 #67D486

square

#677FD4 #D467B6 #D4BC67 #67D486

split-complementary

#677FD4 #D48667 #B6D467

monochromatic

#2A4296 #3857C6 #677FD4 #97A7E1 #C6CFEF

Accessibility & contrast

On white

3.77

#677FD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#677FD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677FD4

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677FD4	#FFFFFF	#000000	##000000
##677FD4	1.00	3.77	5.56	5.56
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D88D7

Deuteranopia (green-blind)

#517FD2

Tritanopia (blue-blind)

#36919F

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #677fd4;
/* rgb */ color: rgb(103, 127, 212);
/* oklch */ color: oklch(61.6% 0.132 270.3);

Tailwind

colors: {
  custom: {
    50: '#99a3e1',
    500: '#677fd4',
    950: '#000000',
  },
}

SCSS

$custom: #677fd4;
$custom-light: #99a3e1;
$custom-dark: #000000;

JSON

{
  "hex": "#677fd4",
  "rgb": {
    "r": 103,
    "g": 127,
    "b": 212
  },
  "hsl": {
    "h": 226.789,
    "s": 55.897,
    "l": 61.765
  },
  "oklch": {
    "l": 0.61646,
    "c": 0.13171,
    "h": 270.3
  },
  "luminance": 0.22816
}

Semantic roles & 50–950 ramp

primary

#677FD4

secondary

#E0D7B7

accent

#A022C3

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #677FD4

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

Preview Lab → · Contrast checker → · Palette generator →