#677CCC#677CCC

#677CCC is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.6% C 0.124 H 271.2°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#677CCC
RGB	rgb(103, 124, 204)
HSL	hsl(228, 50%, 60%)
HSV	hsv(228, 50%, 80%)
CMYK	cmyk(49.5%, 39.2%, 0%, 20%)
CIE-LAB	lab(53.66, 14.43, -43.91)
CIE-LCH	lch(53.66, 46.22, 288.19°)
OKLab	oklab(60.57% 0.0026 -0.1241)
OKLCH	oklch(60.57% 0.124 271.2)
XYZ	xyz(23.6968, 21.6570, 60.0466)
Luminance	0.2166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CCC #CCB767

analogous

#67AECC #677CCC #8567CC

triadic

#677CCC #CC677C #7CCC67

tetradic

#677CCC #CC67AE #CCB767 #67CC85

square

#677CCC #CC67AE #CCB767 #67CC85

split-complementary

#677CCC #CC8567 #AECC67

monochromatic

#2E418A #3E57B8 #677CCC #95A3DB #C3CBEB

Accessibility & contrast

On white

3.94

#677CCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#677CCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CCC

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CCC	#FFFFFF	#000000	##000000
##677CCC	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D85CF

Deuteranopia (green-blind)

#537CCA

Tritanopia (blue-blind)

#3D8D9A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #677ccc;
/* rgb */ color: rgb(103, 124, 204);
/* oklch */ color: oklch(60.6% 0.124 271.2);

Tailwind

colors: {
  custom: {
    50: '#98a1dc',
    500: '#677ccc',
    950: '#000000',
  },
}

SCSS

$custom: #677ccc;
$custom-light: #98a1dc;
$custom-dark: #000000;

JSON

{
  "hex": "#677ccc",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 204
  },
  "hsl": {
    "h": 227.525,
    "s": 49.754,
    "l": 60.196
  },
  "oklch": {
    "l": 0.60574,
    "c": 0.12417,
    "h": 271.2
  },
  "luminance": 0.21659
}

Semantic roles & 50–950 ramp

primary

#677CCC

secondary

#DBD3B4

accent

#9E28BD

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #677CCC

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

Preview Lab → · Contrast checker → · Palette generator →