#677BE0#677BE0

#677BE0 is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.6% C 0.154 H 272.7°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#677BE0
RGB	rgb(103, 123, 224)
HSL	hsl(230, 66%, 64%)
HSV	hsv(230, 54%, 88%)
CMYK	cmyk(54%, 45.1%, 0%, 12.2%)
CIE-LAB	lab(54.48, 21.31, -53.89)
CIE-LCH	lch(54.48, 57.95, 291.57°)
OKLab	oklab(61.55% 0.0072 -0.1534)
OKLCH	oklch(61.55% 0.154 272.7)
XYZ	xyz(26.1267, 22.4295, 73.4591)
Luminance	0.2243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BE0 #E0CC67

analogous

#67B7E0 #677BE0 #9067E0

triadic

#677BE0 #E0677B #7BE067

tetradic

#677BE0 #E067B7 #E0CC67 #67E090

square

#677BE0 #E067B7 #E0CC67 #67E090

split-complementary

#677BE0 #E09067 #B7E067

monochromatic

#2339AA #344FD6 #677BE0 #9AA7EA #CDD3F5

Accessibility & contrast

On white

3.83

#677BE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#677BE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BE0

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BE0	#FFFFFF	#000000	##000000
##677BE0	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E88E4

Deuteranopia (green-blind)

#3F7DDE

Tritanopia (blue-blind)

#2991A3

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #677be0;
/* rgb */ color: rgb(103, 123, 224);
/* oklch */ color: oklch(61.6% 0.154 272.7);

Tailwind

colors: {
  custom: {
    50: '#9aa0ea',
    500: '#677be0',
    950: '#000000',
  },
}

SCSS

$custom: #677be0;
$custom-light: #9aa0ea;
$custom-dark: #000000;

JSON

{
  "hex": "#677be0",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 224
  },
  "hsl": {
    "h": 230.083,
    "s": 66.12,
    "l": 64.118
  },
  "oklch": {
    "l": 0.61552,
    "c": 0.15358,
    "h": 272.7
  },
  "luminance": 0.22431
}

Semantic roles & 50–950 ramp

primary

#677BE0

secondary

#E7E0BC

accent

#B018CE

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E16

muted

#7F7E84

Preview Lab

Preview with #677BE0

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

Preview Lab → · Contrast checker → · Palette generator →