#677FC4#677FC4

#677FC4 is a mid, moderate blue. Relative luminance 0.220; OKLCH L 60.8% C 0.109 H 268.5°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#677FC4
RGB	rgb(103, 127, 196)
HSL	hsl(225, 44%, 59%)
HSV	hsv(225, 47%, 77%)
CMYK	cmyk(47.4%, 35.2%, 0%, 23.1%)
CIE-LAB	lab(54.08, 10.17, -38.70)
CIE-LCH	lch(54.08, 40.02, 284.73°)
OKLab	oklab(60.76% -0.0029 -0.1089)
OKLCH	oklch(60.76% 0.109 268.5)
XYZ	xyz(23.1435, 22.0464, 55.2497)
Luminance	0.2205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677FC4 #C4AC67

analogous

#67ADC4 #677FC4 #7D67C4

triadic

#677FC4 #C4677F #7FC467

tetradic

#677FC4 #C467AD #C4AC67 #67C47D

square

#677FC4 #C467AD #C4AC67 #67C47D

split-complementary

#677FC4 #C47D67 #ADC467

monochromatic

#31457F #425EAB #677FC4 #93A4D5 #BFC9E6

Accessibility & contrast

On white

3.88

#677FC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#677FC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677FC4

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677FC4	#FFFFFF	#000000	##000000
##677FC4	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6586C7

Deuteranopia (green-blind)

#5C7EC2

Tritanopia (blue-blind)

#438D98

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #677fc4;
/* rgb */ color: rgb(103, 127, 196);
/* oklch */ color: oklch(60.8% 0.109 268.5);

Tailwind

colors: {
  custom: {
    50: '#97a3d6',
    500: '#677fc4',
    950: '#000000',
  },
}

SCSS

$custom: #677fc4;
$custom-light: #97a3d6;
$custom-dark: #000000;

JSON

{
  "hex": "#677fc4",
  "rgb": {
    "r": 103,
    "g": 127,
    "b": 196
  },
  "hsl": {
    "h": 224.516,
    "s": 44.076,
    "l": 58.627
  },
  "oklch": {
    "l": 0.60764,
    "c": 0.10899,
    "h": 268.5
  },
  "luminance": 0.22048
}

Semantic roles & 50–950 ramp

primary

#677FC4

secondary

#D6CCB1

accent

#B354D4

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #677FC4

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

Preview Lab → · Contrast checker → · Palette generator →