#677FE5#677FE5

#677FE5 is a light, vivid blue. Relative luminance 0.237; OKLCH L 62.7% C 0.155 H 271.3°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#677FE5
RGB	rgb(103, 127, 229)
HSL	hsl(229, 71%, 65%)
HSV	hsv(229, 55%, 90%)
CMYK	cmyk(55%, 44.5%, 0%, 10.2%)
CIE-LAB	lab(55.80, 20.48, -54.58)
CIE-LCH	lch(55.80, 58.30, 290.57°)
OKLab	oklab(62.65% 0.0036 -0.1554)
OKLCH	oklch(62.65% 0.155 271.3)
XYZ	xyz(27.3211, 23.7175, 77.2518)
Luminance	0.2372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677FE5 #E5CD67

analogous

#67BEE5 #677FE5 #8E67E5

triadic

#677FE5 #E5677F #7FE567

tetradic

#677FE5 #E567BE #E5CD67 #67E58E

square

#677FE5 #E567BE #E5CD67 #67E58E

split-complementary

#677FE5 #E58E67 #BEE567

monochromatic

#1F3BB3 #3353DC #677FE5 #9BABEE #D0D7F7

Accessibility & contrast

On white

3.66

#677FE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#677FE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677FE5

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677FE5	#FFFFFF	#000000	##000000
##677FE5	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#528BE9

Deuteranopia (green-blind)

#4281E3

Tritanopia (blue-blind)

#1F95A7

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #677fe5;
/* rgb */ color: rgb(103, 127, 229);
/* oklch */ color: oklch(62.7% 0.155 271.3);

Tailwind

colors: {
  custom: {
    50: '#9ba3ee',
    500: '#677fe5',
    950: '#000000',
  },
}

SCSS

$custom: #677fe5;
$custom-light: #9ba3ee;
$custom-dark: #000000;

JSON

{
  "hex": "#677fe5",
  "rgb": {
    "r": 103,
    "g": 127,
    "b": 229
  },
  "hsl": {
    "h": 228.571,
    "s": 70.787,
    "l": 65.098
  },
  "oklch": {
    "l": 0.62654,
    "c": 0.15542,
    "h": 271.3
  },
  "luminance": 0.23719
}

Semantic roles & 50–950 ramp

primary

#677FE5

secondary

#E9E1BF

accent

#AE13D3

background

#FAFAFE

surface

#F3F3FD

border

#CDCDD5

text

#0F0F16

muted

#7F7F84

Preview Lab

Preview with #677FE5

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

Preview Lab → · Contrast checker → · Palette generator →