#677CE1#677CE1

#677CE1 is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.8% C 0.154 H 272.3°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#677CE1
RGB	rgb(103, 124, 225)
HSL	hsl(230, 67%, 64%)
HSV	hsv(230, 54%, 88%)
CMYK	cmyk(54.2%, 44.9%, 0%, 11.8%)
CIE-LAB	lab(54.80, 21.02, -53.95)
CIE-LCH	lch(54.80, 57.90, 291.29°)
OKLab	oklab(61.81% 0.0063 -0.1536)
OKLCH	oklch(61.81% 0.154 272.3)
XYZ	xyz(26.3874, 22.7333, 74.2170)
Luminance	0.2273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CE1 #E1CC67

analogous

#67B9E1 #677CE1 #8F67E1

triadic

#677CE1 #E1677C #7CE167

tetradic

#677CE1 #E167B9 #E1CC67 #67E18F

square

#677CE1 #E167B9 #E1CC67 #67E18F

split-complementary

#677CE1 #E18F67 #B9E167

monochromatic

#223AAC #3450D7 #677CE1 #9AA8EB #CDD4F5

Accessibility & contrast

On white

3.79

#677CE1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#677CE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CE1

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CE1	#FFFFFF	#000000	##000000
##677CE1	1.00	3.79	5.55	5.55
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F89E5

Deuteranopia (green-blind)

#407EDF

Tritanopia (blue-blind)

#2792A4

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #677ce1;
/* rgb */ color: rgb(103, 124, 225);
/* oklch */ color: oklch(61.8% 0.154 272.3);

Tailwind

colors: {
  custom: {
    50: '#9ba1eb',
    500: '#677ce1',
    950: '#000000',
  },
}

SCSS

$custom: #677ce1;
$custom-light: #9ba1eb;
$custom-dark: #000000;

JSON

{
  "hex": "#677ce1",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 225
  },
  "hsl": {
    "h": 229.672,
    "s": 67.033,
    "l": 64.314
  },
  "oklch": {
    "l": 0.61812,
    "c": 0.15369,
    "h": 272.3
  },
  "luminance": 0.22735
}

Semantic roles & 50–950 ramp

primary

#677CE1

secondary

#E7E0BD

accent

#AF17CF

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E16

muted

#7F7E84

Preview Lab

Preview with #677CE1

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

Preview Lab → · Contrast checker → · Palette generator →