#677DDC#677DDC

#677DDC is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.7% C 0.145 H 271.7°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#677DDC
RGB	rgb(103, 125, 220)
HSL	hsl(229, 63%, 63%)
HSV	hsv(229, 53%, 86%)
CMYK	cmyk(53.2%, 43.2%, 0%, 13.7%)
CIE-LAB	lab(54.78, 18.83, -51.17)
CIE-LCH	lch(54.78, 54.53, 290.20°)
OKLab	oklab(61.71% 0.0044 -0.1454)
OKLCH	oklch(61.71% 0.145 271.7)
XYZ	xyz(25.8412, 22.7163, 70.7193)
Luminance	0.2272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677DDC #DCC667

analogous

#67B7DC #677DDC #8B67DC

triadic

#677DDC #DC677D #7DDC67

tetradic

#677DDC #DC67B7 #DCC667 #67DC8B

square

#677DDC #DC67B7 #DCC667 #67DC8B

split-complementary

#677DDC #DC8B67 #B7DC67

monochromatic

#263DA3 #3552D1 #677DDC #99A8E7 #CAD2F3

Accessibility & contrast

On white

3.79

#677DDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#677DDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677DDC

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677DDC	#FFFFFF	#000000	##000000
##677DDC	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5588E0

Deuteranopia (green-blind)

#477EDA

Tritanopia (blue-blind)

#2D92A2

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #677ddc;
/* rgb */ color: rgb(103, 125, 220);
/* oklch */ color: oklch(61.7% 0.145 271.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#677ddc",
  "rgb": {
    "r": 103,
    "g": 125,
    "b": 220
  },
  "hsl": {
    "h": 228.718,
    "s": 62.567,
    "l": 63.333
  },
  "oklch": {
    "l": 0.61708,
    "c": 0.14547,
    "h": 271.7
  },
  "luminance": 0.22718
}

Semantic roles & 50–950 ramp

primary

#677DDC

secondary

#E4DCBB

accent

#A91BCA

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0F0F16

muted

#7E7E84

Preview Lab

Preview with #677DDC

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

Preview Lab → · Contrast checker → · Palette generator →