#677CEF#677CEF

#677CEF is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.7% C 0.173 H 272.7°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#677CEF
RGB	rgb(103, 124, 239)
HSL	hsl(231, 81%, 67%)
HSV	hsv(231, 57%, 94%)
CMYK	cmyk(56.9%, 48.1%, 0%, 6.3%)
CIE-LAB	lab(55.61, 25.50, -60.46)
CIE-LCH	lch(55.61, 65.62, 292.87°)
OKLab	oklab(62.7% 0.0081 -0.1727)
OKLCH	oklch(62.7% 0.173 272.7)
XYZ	xyz(28.3760, 23.5287, 84.6908)
Luminance	0.2353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CEF #EFDA67

analogous

#67C0EF #677CEF #9667EF

triadic

#677CEF #EF677C #7CEF67

tetradic

#677CEF #EF67C0 #EFDA67 #67EF96

square

#677CEF #EF67C0 #EFDA67 #67EF96

split-complementary

#677CEF #EF9667 #C0EF67

monochromatic

#1530C7 #304CE9 #677CEF #9EACF5 #D6DBFB

Accessibility & contrast

On white

3.68

#677CEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#677CEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CEF

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CEF	#FFFFFF	#000000	##000000
##677CEF	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#438BF3

Deuteranopia (green-blind)

#2D80ED

Tritanopia (blue-blind)

#0296AA

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #677cef;
/* rgb */ color: rgb(103, 124, 239);
/* oklch */ color: oklch(62.7% 0.173 272.7);

Tailwind

colors: {
  custom: {
    50: '#9ca1f5',
    500: '#677cef',
    950: '#000000',
  },
}

SCSS

$custom: #677cef;
$custom-light: #9ca1f5;
$custom-dark: #000000;

JSON

{
  "hex": "#677cef",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 239
  },
  "hsl": {
    "h": 230.735,
    "s": 80.952,
    "l": 67.059
  },
  "oklch": {
    "l": 0.62696,
    "c": 0.17288,
    "h": 272.7
  },
  "luminance": 0.23531
}

Semantic roles & 50–950 ramp

primary

#677CEF

secondary

#EEE8C3

accent

#BC08DD

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0F17

muted

#7F7E85

Preview Lab

Preview with #677CEF

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

Preview Lab → · Contrast checker → · Palette generator →