#677FEE#677FEE

#677FEE is a light, vivid blue. Relative luminance 0.242; OKLCH L 63.2% C 0.168 H 271.7°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#677FEE
RGB	rgb(103, 127, 238)
HSL	hsl(229, 80%, 67%)
HSV	hsv(229, 57%, 93%)
CMYK	cmyk(56.7%, 46.6%, 0%, 6.7%)
CIE-LAB	lab(56.32, 23.37, -58.77)
CIE-LCH	lch(56.32, 63.24, 291.68°)
OKLab	oklab(63.22% 0.0049 -0.1677)
OKLCH	oklch(63.22% 0.168 271.7)
XYZ	xyz(28.6104, 24.2332, 84.0422)
Luminance	0.2424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677FEE #EED667

analogous

#67C3EE #677FEE #9267EE

triadic

#677FEE #EE677F #7FEE67

tetradic

#677FEE #EE67C3 #EED667 #67EE92

square

#677FEE #EE67C3 #EED667 #67EE92

split-complementary

#677FEE #EE9267 #C3EE67

monochromatic

#1635C5 #3051E8 #677FEE #9EADF4 #D5DCFA

Accessibility & contrast

On white

3.59

#677FEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#677FEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677FEE

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677FEE	#FFFFFF	#000000	##000000
##677FEE	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A8DF2

Deuteranopia (green-blind)

#3781EC

Tritanopia (blue-blind)

#0498AB

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #677fee;
/* rgb */ color: rgb(103, 127, 238);
/* oklch */ color: oklch(63.2% 0.168 271.7);

Tailwind

colors: {
  custom: {
    50: '#9ca3f4',
    500: '#677fee',
    950: '#000000',
  },
}

SCSS

$custom: #677fee;
$custom-light: #9ca3f4;
$custom-dark: #000000;

JSON

{
  "hex": "#677fee",
  "rgb": {
    "r": 103,
    "g": 127,
    "b": 238
  },
  "hsl": {
    "h": 229.333,
    "s": 79.882,
    "l": 66.863
  },
  "oklch": {
    "l": 0.63215,
    "c": 0.16776,
    "h": 271.7
  },
  "luminance": 0.24235
}

Semantic roles & 50–950 ramp

primary

#677FEE

secondary

#EEE6C3

accent

#B709DC

background

#FAFAFF

surface

#F4F3FE

border

#CECDD6

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #677FEE

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

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