#677BE3#677BE3

#677BE3 is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.7% C 0.158 H 272.8°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#677BE3
RGB	rgb(103, 123, 227)
HSL	hsl(230, 69%, 65%)
HSV	hsv(230, 55%, 89%)
CMYK	cmyk(54.6%, 45.8%, 0%, 11%)
CIE-LAB	lab(54.65, 22.26, -55.30)
CIE-LCH	lch(54.65, 59.62, 291.93°)
OKLab	oklab(61.74% 0.0077 -0.1575)
OKLCH	oklch(61.74% 0.158 272.8)
XYZ	xyz(26.5371, 22.5937, 75.6208)
Luminance	0.2260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BE3 #E3CF67

analogous

#67B9E3 #677BE3 #9167E3

triadic

#677BE3 #E3677B #7BE367

tetradic

#677BE3 #E367B9 #E3CF67 #67E391

square

#677BE3 #E367B9 #E3CF67 #67E391

split-complementary

#677BE3 #E39167 #B9E367

monochromatic

#2037AF #334ED9 #677BE3 #9BA8ED #CED5F6

Accessibility & contrast

On white

3.80

#677BE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#677BE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BE3

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BE3	#FFFFFF	#000000	##000000
##677BE3	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C88E7

Deuteranopia (green-blind)

#3C7EE1

Tritanopia (blue-blind)

#2492A4

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #677be3;
/* rgb */ color: rgb(103, 123, 227);
/* oklch */ color: oklch(61.7% 0.158 272.8);

Tailwind

colors: {
  custom: {
    50: '#9ba0ec',
    500: '#677be3',
    950: '#000000',
  },
}

SCSS

$custom: #677be3;
$custom-light: #9ba0ec;
$custom-dark: #000000;

JSON

{
  "hex": "#677be3",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 227
  },
  "hsl": {
    "h": 230.323,
    "s": 68.889,
    "l": 64.706
  },
  "oklch": {
    "l": 0.61738,
    "c": 0.15773,
    "h": 272.8
  },
  "luminance": 0.22596
}

Semantic roles & 50–950 ramp

primary

#677BE3

secondary

#E8E1BE

accent

#B215D1

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E16

muted

#7F7E84

Preview Lab

Preview with #677BE3

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

Preview Lab → · Contrast checker → · Palette generator →