#677FEC#677FEC

#677FEC is a light, vivid blue. Relative luminance 0.241; OKLCH L 63.1% C 0.165 H 271.6°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#677FEC
RGB	rgb(103, 127, 236)
HSL	hsl(229, 78%, 66%)
HSV	hsv(229, 56%, 93%)
CMYK	cmyk(56.4%, 46.2%, 0%, 7.5%)
CIE-LAB	lab(56.20, 22.72, -57.84)
CIE-LCH	lch(56.20, 62.15, 291.45°)
OKLab	oklab(63.09% 0.0046 -0.165)
OKLCH	oklch(63.09% 0.165 271.6)
XYZ	xyz(28.3182, 24.1163, 82.5033)
Luminance	0.2412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677FEC #ECD467

analogous

#67C2EC #677FEC #9267EC

triadic

#677FEC #EC677F #7FEC67

tetradic

#677FEC #EC67C2 #ECD467 #67EC92

square

#677FEC #EC67C2 #ECD467 #67EC92

split-complementary

#677FEC #EC9267 #C2EC67

monochromatic

#1836C1 #3151E5 #677FEC #9DADF3 #D4DBFA

Accessibility & contrast

On white

3.61

#677FEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#677FEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677FEC

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677FEC	#FFFFFF	#000000	##000000
##677FEC	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C8DF0

Deuteranopia (green-blind)

#3981EA

Tritanopia (blue-blind)

#0D97AA

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #677fec;
/* rgb */ color: rgb(103, 127, 236);
/* oklch */ color: oklch(63.1% 0.165 271.6);

Tailwind

colors: {
  custom: {
    50: '#9ca3f3',
    500: '#677fec',
    950: '#000000',
  },
}

SCSS

$custom: #677fec;
$custom-light: #9ca3f3;
$custom-dark: #000000;

JSON

{
  "hex": "#677fec",
  "rgb": {
    "r": 103,
    "g": 127,
    "b": 236
  },
  "hsl": {
    "h": 229.173,
    "s": 77.778,
    "l": 66.471
  },
  "oklch": {
    "l": 0.63088,
    "c": 0.16503,
    "h": 271.6
  },
  "luminance": 0.24118
}

Semantic roles & 50–950 ramp

primary

#677FEC

secondary

#EDE5C2

accent

#B50BDA

background

#FAFAFE

surface

#F4F3FD

border

#CECDD5

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #677FEC

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

Preview Lab → · Contrast checker → · Palette generator →