#677BCA#677BCA

#677BCA is a mid, vivid blue. Relative luminance 0.213; OKLCH L 60.3% C 0.123 H 271.6°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#677BCA
RGB	rgb(103, 123, 202)
HSL	hsl(228, 48%, 60%)
HSV	hsv(228, 49%, 79%)
CMYK	cmyk(49%, 39.1%, 0%, 20.8%)
CIE-LAB	lab(53.29, 14.42, -43.36)
CIE-LCH	lch(53.29, 45.69, 288.39°)
OKLab	oklab(60.25% 0.0034 -0.1225)
OKLCH	oklch(60.25% 0.123 271.6)
XYZ	xyz(23.3337, 21.3123, 58.7498)
Luminance	0.2131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BCA #CAB667

analogous

#67ACCA #677BCA #8567CA

triadic

#677BCA #CA677B #7BCA67

tetradic

#677BCA #CA67AC #CAB667 #67CA85

square

#677BCA #CA67AC #CAB667 #67CA85

split-complementary

#677BCA #CA8567 #ACCA67

monochromatic

#2F4187 #3F57B5 #677BCA #94A2DA #C2CAEA

Accessibility & contrast

On white

3.99

#677BCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#677BCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BCA

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BCA	#FFFFFF	#000000	##000000
##677BCA	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C84CD

Deuteranopia (green-blind)

#537BC8

Tritanopia (blue-blind)

#3F8C99

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #677bca;
/* rgb */ color: rgb(103, 123, 202);
/* oklch */ color: oklch(60.3% 0.123 271.6);

Tailwind

colors: {
  custom: {
    50: '#98a0da',
    500: '#677bca',
    950: '#000000',
  },
}

SCSS

$custom: #677bca;
$custom-light: #98a0da;
$custom-dark: #000000;

JSON

{
  "hex": "#677bca",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 202
  },
  "hsl": {
    "h": 227.879,
    "s": 48.293,
    "l": 59.804
  },
  "oklch": {
    "l": 0.60254,
    "c": 0.12259,
    "h": 271.6
  },
  "luminance": 0.21314
}

Semantic roles & 50–950 ramp

primary

#677BCA

secondary

#DAD2B3

accent

#BC50D8

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #677BCA

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

Preview Lab → · Contrast checker → · Palette generator →