#677FC3#677FC3

#677FC3 is a mid, moderate blue. Relative luminance 0.220; OKLCH L 60.7% C 0.108 H 268.3°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#677FC3
RGB	rgb(103, 127, 195)
HSL	hsl(224, 43%, 58%)
HSV	hsv(224, 47%, 76%)
CMYK	cmyk(47.2%, 34.9%, 0%, 23.5%)
CIE-LAB	lab(54.03, 9.87, -38.21)
CIE-LCH	lch(54.03, 39.46, 284.48°)
OKLab	oklab(60.71% -0.0031 -0.1075)
OKLCH	oklch(60.71% 0.108 268.3)
XYZ	xyz(23.0301, 22.0010, 54.6523)
Luminance	0.2200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677FC3 #C3AB67

analogous

#67ADC3 #677FC3 #7D67C3

triadic

#677FC3 #C3677F #7FC367

tetradic

#677FC3 #C367AD #C3AB67 #67C37D

square

#677FC3 #C367AD #C3AB67 #67C37D

split-complementary

#677FC3 #C37D67 #ADC367

monochromatic

#32467E #435EAA #677FC3 #93A4D4 #BFC9E6

Accessibility & contrast

On white

3.89

#677FC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#677FC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677FC3

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677FC3	#FFFFFF	#000000	##000000
##677FC3	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6686C6

Deuteranopia (green-blind)

#5C7DC1

Tritanopia (blue-blind)

#438D98

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #677fc3;
/* rgb */ color: rgb(103, 127, 195);
/* oklch */ color: oklch(60.7% 0.108 268.3);

Tailwind

colors: {
  custom: {
    50: '#97a3d5',
    500: '#677fc3',
    950: '#000000',
  },
}

SCSS

$custom: #677fc3;
$custom-light: #97a3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#677fc3",
  "rgb": {
    "r": 103,
    "g": 127,
    "b": 195
  },
  "hsl": {
    "h": 224.348,
    "s": 43.396,
    "l": 58.431
  },
  "oklch": {
    "l": 0.60711,
    "c": 0.10757,
    "h": 268.3
  },
  "luminance": 0.22002
}

Semantic roles & 50–950 ramp

primary

#677FC3

secondary

#D5CCB1

accent

#B255D3

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #677FC3

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

Preview Lab → · Contrast checker → · Palette generator →