#677FE4#677FE4

#677FE4 is a light, vivid blue. Relative luminance 0.237; OKLCH L 62.6% C 0.154 H 271.3°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#677FE4
RGB	rgb(103, 127, 228)
HSL	hsl(228, 70%, 65%)
HSV	hsv(228, 55%, 89%)
CMYK	cmyk(54.8%, 44.3%, 0%, 10.6%)
CIE-LAB	lab(55.75, 20.16, -54.11)
CIE-LCH	lch(55.75, 57.75, 290.44°)
OKLab	oklab(62.59% 0.0035 -0.154)
OKLCH	oklch(62.59% 0.154 271.3)
XYZ	xyz(27.1819, 23.6618, 76.5186)
Luminance	0.2366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677FE4 #E4CC67

analogous

#67BDE4 #677FE4 #8E67E4

triadic

#677FE4 #E4677F #7FE467

tetradic

#677FE4 #E467BD #E4CC67 #67E48E

square

#677FE4 #E467BD #E4CC67 #67E48E

split-complementary

#677FE4 #E48E67 #BDE467

monochromatic

#1F3BB1 #3353DB #677FE4 #9BABED #CFD7F6

Accessibility & contrast

On white

3.66

#677FE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#677FE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677FE4

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677FE4	#FFFFFF	#000000	##000000
##677FE4	1.00	3.66	5.73	5.73
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#528BE8

Deuteranopia (green-blind)

#4380E2

Tritanopia (blue-blind)

#2195A6

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #677fe4;
/* rgb */ color: rgb(103, 127, 228);
/* oklch */ color: oklch(62.6% 0.154 271.3);

Tailwind

colors: {
  custom: {
    50: '#9ba3ed',
    500: '#677fe4',
    950: '#000000',
  },
}

SCSS

$custom: #677fe4;
$custom-light: #9ba3ed;
$custom-dark: #000000;

JSON

{
  "hex": "#677fe4",
  "rgb": {
    "r": 103,
    "g": 127,
    "b": 228
  },
  "hsl": {
    "h": 228.48,
    "s": 69.832,
    "l": 64.902
  },
  "oklch": {
    "l": 0.62593,
    "c": 0.15404,
    "h": 271.3
  },
  "luminance": 0.23664
}

Semantic roles & 50–950 ramp

primary

#677FE4

secondary

#E9E1BE

accent

#AD14D2

background

#FAFAFE

surface

#F3F3FD

border

#CDCDD5

text

#0F0F16

muted

#7F7F84

Preview Lab

Preview with #677FE4

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

Preview Lab → · Contrast checker → · Palette generator →