#677DD5#677DD5

#677DD5 is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.3% C 0.136 H 271.3°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#677DD5
RGB	rgb(103, 125, 213)
HSL	hsl(228, 57%, 62%)
HSV	hsv(228, 52%, 84%)
CMYK	cmyk(51.6%, 41.3%, 0%, 16.5%)
CIE-LAB	lab(54.40, 16.63, -47.83)
CIE-LCH	lch(54.40, 50.64, 289.17°)
OKLab	oklab(61.3% 0.0032 -0.1356)
OKLCH	oklch(61.3% 0.136 271.3)
XYZ	xyz(24.9335, 22.3532, 65.9386)
Luminance	0.2235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677DD5 #D5BF67

analogous

#67B4D5 #677DD5 #8867D5

triadic

#677DD5 #D5677D #7DD567

tetradic

#677DD5 #D567B4 #D5BF67 #67D588

square

#677DD5 #D567B4 #D5BF67 #67D588

split-complementary

#677DD5 #D58867 #B4D567

monochromatic

#2A4098 #3754C8 #677DD5 #97A6E2 #C7CFEF

Accessibility & contrast

On white

3.84

#677DD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#677DD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677DD5

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677DD5	#FFFFFF	#000000	##000000
##677DD5	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5987D8

Deuteranopia (green-blind)

#4D7ED3

Tritanopia (blue-blind)

#35909F

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #677dd5;
/* rgb */ color: rgb(103, 125, 213);
/* oklch */ color: oklch(61.3% 0.136 271.3);

Tailwind

colors: {
  custom: {
    50: '#99a2e2',
    500: '#677dd5',
    950: '#000000',
  },
}

SCSS

$custom: #677dd5;
$custom-light: #99a2e2;
$custom-dark: #000000;

JSON

{
  "hex": "#677dd5",
  "rgb": {
    "r": 103,
    "g": 125,
    "b": 213
  },
  "hsl": {
    "h": 228,
    "s": 56.701,
    "l": 61.961
  },
  "oklch": {
    "l": 0.61295,
    "c": 0.13565,
    "h": 271.3
  },
  "luminance": 0.22355
}

Semantic roles & 50–950 ramp

primary

#677DD5

secondary

#E0D8B8

accent

#A421C4

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #677DD5

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

Preview Lab → · Contrast checker → · Palette generator →