#677BCD#677BCD

#677BCD is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.4% C 0.127 H 271.8°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#677BCD
RGB	rgb(103, 123, 205)
HSL	hsl(228, 50%, 60%)
HSV	hsv(228, 50%, 80%)
CMYK	cmyk(49.8%, 40%, 0%, 19.6%)
CIE-LAB	lab(53.44, 15.34, -44.82)
CIE-LCH	lch(53.44, 47.37, 288.90°)
OKLab	oklab(60.42% 0.004 -0.1268)
OKLCH	oklch(60.42% 0.127 271.8)
XYZ	xyz(23.6924, 21.4558, 60.6387)
Luminance	0.2146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BCD #CDB967

analogous

#67AECD #677BCD #8667CD

triadic

#677BCD #CD677B #7BCD67

tetradic

#677BCD #CD67AE #CDB967 #67CD86

square

#677BCD #CD67AE #CDB967 #67CD86

split-complementary

#677BCD #CD8667 #AECD67

monochromatic

#2E408C #3D56BA #677BCD #95A3DC #C3CBEB

Accessibility & contrast

On white

3.97

#677BCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#677BCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BCD

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BCD	#FFFFFF	#000000	##000000
##677BCD	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B84D0

Deuteranopia (green-blind)

#507CCB

Tritanopia (blue-blind)

#3D8C9A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #677bcd;
/* rgb */ color: rgb(103, 123, 205);
/* oklch */ color: oklch(60.4% 0.127 271.8);

Tailwind

colors: {
  custom: {
    50: '#98a0dc',
    500: '#677bcd',
    950: '#000000',
  },
}

SCSS

$custom: #677bcd;
$custom-light: #98a0dc;
$custom-dark: #000000;

JSON

{
  "hex": "#677bcd",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 205
  },
  "hsl": {
    "h": 228.235,
    "s": 50.495,
    "l": 60.392
  },
  "oklch": {
    "l": 0.60424,
    "c": 0.12687,
    "h": 271.8
  },
  "luminance": 0.21457
}

Semantic roles & 50–950 ramp

primary

#677BCD

secondary

#DBD4B4

accent

#A028BE

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #677BCD

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

Preview Lab → · Contrast checker → · Palette generator →