#677CE3#677CE3

#677CE3 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.9% C 0.156 H 272.4°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#677CE3
RGB	rgb(103, 124, 227)
HSL	hsl(230, 69%, 65%)
HSV	hsv(230, 55%, 89%)
CMYK	cmyk(54.6%, 45.4%, 0%, 11%)
CIE-LAB	lab(54.91, 21.66, -54.89)
CIE-LCH	lch(54.91, 59.01, 291.53°)
OKLab	oklab(61.94% 0.0066 -0.1563)
OKLCH	oklch(61.94% 0.156 272.4)
XYZ	xyz(26.6618, 22.8430, 75.6623)
Luminance	0.2284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CE3 #E3CE67

analogous

#67BAE3 #677CE3 #9067E3

triadic

#677CE3 #E3677C #7CE367

tetradic

#677CE3 #E367BA #E3CE67 #67E390

square

#677CE3 #E367BA #E3CE67 #67E390

split-complementary

#677CE3 #E39067 #BAE367

monochromatic

#2039AF #334FD9 #677CE3 #9BA9ED #CED5F6

Accessibility & contrast

On white

3.77

#677CE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#677CE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CE3

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CE3	#FFFFFF	#000000	##000000
##677CE3	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E89E7

Deuteranopia (green-blind)

#3E7EE1

Tritanopia (blue-blind)

#2493A4

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #677ce3;
/* rgb */ color: rgb(103, 124, 227);
/* oklch */ color: oklch(61.9% 0.156 272.4);

Tailwind

colors: {
  custom: {
    50: '#9ba1ec',
    500: '#677ce3',
    950: '#000000',
  },
}

SCSS

$custom: #677ce3;
$custom-light: #9ba1ec;
$custom-dark: #000000;

JSON

{
  "hex": "#677ce3",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 227
  },
  "hsl": {
    "h": 229.839,
    "s": 68.889,
    "l": 64.706
  },
  "oklch": {
    "l": 0.61936,
    "c": 0.15646,
    "h": 272.4
  },
  "luminance": 0.22845
}

Semantic roles & 50–950 ramp

primary

#677CE3

secondary

#E8E1BE

accent

#B115D1

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E16

muted

#7F7E84

Preview Lab

Preview with #677CE3

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

Preview Lab → · Contrast checker → · Palette generator →