#677DDB#677DDB

#677DDB is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.6% C 0.144 H 271.7°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#677DDB
RGB	rgb(103, 125, 219)
HSL	hsl(229, 62%, 63%)
HSV	hsv(229, 53%, 86%)
CMYK	cmyk(53%, 42.9%, 0%, 14.1%)
CIE-LAB	lab(54.72, 18.52, -50.70)
CIE-LCH	lch(54.72, 53.97, 290.06°)
OKLab	oklab(61.65% 0.0042 -0.144)
OKLCH	oklch(61.65% 0.144 271.7)
XYZ	xyz(25.7092, 22.6635, 70.0238)
Luminance	0.2266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677DDB #DBC567

analogous

#67B7DB #677DDB #8B67DB

triadic

#677DDB #DB677D #7DDB67

tetradic

#677DDB #DB67B7 #DBC567 #67DB8B

square

#677DDB #DB67B7 #DBC567 #67DB8B

split-complementary

#677DDB #DB8B67 #B7DB67

monochromatic

#263EA1 #3653CF #677DDB #98A7E7 #CAD2F2

Accessibility & contrast

On white

3.80

#677DDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#677DDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677DDB

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677DDB	#FFFFFF	#000000	##000000
##677DDB	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5588DF

Deuteranopia (green-blind)

#487ED9

Tritanopia (blue-blind)

#2F91A1

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #677ddb;
/* rgb */ color: rgb(103, 125, 219);
/* oklch */ color: oklch(61.6% 0.144 271.7);

Tailwind

colors: {
  custom: {
    50: '#9aa2e7',
    500: '#677ddb',
    950: '#000000',
  },
}

SCSS

$custom: #677ddb;
$custom-light: #9aa2e7;
$custom-dark: #000000;

JSON

{
  "hex": "#677ddb",
  "rgb": {
    "r": 103,
    "g": 125,
    "b": 219
  },
  "hsl": {
    "h": 228.621,
    "s": 61.702,
    "l": 63.137
  },
  "oklch": {
    "l": 0.61648,
    "c": 0.14406,
    "h": 271.7
  },
  "luminance": 0.22665
}

Semantic roles & 50–950 ramp

primary

#677DDB

secondary

#E4DCBA

accent

#A91CC9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0F0F16

muted

#7E7E84

Preview Lab

Preview with #677DDB

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

Preview Lab → · Contrast checker → · Palette generator →