#677BCF#677BCF

#677BCF is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.5% C 0.130 H 271.9°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#677BCF
RGB	rgb(103, 123, 207)
HSL	hsl(228, 52%, 61%)
HSV	hsv(228, 50%, 81%)
CMYK	cmyk(50.2%, 40.6%, 0%, 18.8%)
CIE-LAB	lab(53.55, 15.96, -45.78)
CIE-LCH	lch(53.55, 48.49, 289.22°)
OKLab	oklab(60.54% 0.0044 -0.1296)
OKLCH	oklch(60.54% 0.13 271.9)
XYZ	xyz(23.9354, 21.5530, 61.9183)
Luminance	0.2155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BCF #CFBB67

analogous

#67AFCF #677BCF #8767CF

triadic

#677BCF #CF677B #7BCF67

tetradic

#677BCF #CF67AF #CFBB67 #67CF87

square

#677BCF #CF67AF #CFBB67 #67CF87

split-complementary

#677BCF #CF8767 #AFCF67

monochromatic

#2D408F #3C55BD #677BCF #96A3DE #C4CCEC

Accessibility & contrast

On white

3.95

#677BCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#677BCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BCF

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BCF	#FFFFFF	#000000	##000000
##677BCF	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A85D2

Deuteranopia (green-blind)

#4F7CCD

Tritanopia (blue-blind)

#3B8D9B

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #677bcf;
/* rgb */ color: rgb(103, 123, 207);
/* oklch */ color: oklch(60.5% 0.130 271.9);

Tailwind

colors: {
  custom: {
    50: '#98a0de',
    500: '#677bcf',
    950: '#000000',
  },
}

SCSS

$custom: #677bcf;
$custom-light: #98a0de;
$custom-dark: #000000;

JSON

{
  "hex": "#677bcf",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 207
  },
  "hsl": {
    "h": 228.462,
    "s": 52,
    "l": 60.784
  },
  "oklch": {
    "l": 0.60539,
    "c": 0.12971,
    "h": 271.9
  },
  "luminance": 0.21554
}

Semantic roles & 50–950 ramp

primary

#677BCF

secondary

#DDD5B5

accent

#A226BF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #677BCF

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

Preview Lab → · Contrast checker → · Palette generator →