#677BDA#677BDA

#677BDA is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.2% C 0.145 H 272.5°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#677BDA
RGB	rgb(103, 123, 218)
HSL	hsl(230, 61%, 63%)
HSV	hsv(230, 53%, 85%)
CMYK	cmyk(52.8%, 43.6%, 0%, 14.5%)
CIE-LAB	lab(54.14, 19.41, -51.06)
CIE-LCH	lch(54.14, 54.62, 290.81°)
OKLab	oklab(61.19% 0.0063 -0.1451)
OKLCH	oklch(61.19% 0.145 272.5)
XYZ	xyz(25.3273, 22.1097, 69.2491)
Luminance	0.2211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BDA #DAC667

analogous

#67B5DA #677BDA #8C67DA

triadic

#677BDA #DA677B #7BDA67

tetradic

#677BDA #DA67B5 #DAC667 #67DA8C

square

#677BDA #DA67B5 #DAC667 #67DA8C

split-complementary

#677BDA #DA8C67 #B5DA67

monochromatic

#273CA0 #3650CE #677BDA #98A6E6 #C9D0F2

Accessibility & contrast

On white

3.87

#677BDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#677BDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BDA

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BDA	#FFFFFF	#000000	##000000
##677BDA	1.00	3.87	5.42	5.42
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5387DE

Deuteranopia (green-blind)

#467DD8

Tritanopia (blue-blind)

#3090A0

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #677bda;
/* rgb */ color: rgb(103, 123, 218);
/* oklch */ color: oklch(61.2% 0.145 272.5);

Tailwind

colors: {
  custom: {
    50: '#9aa0e6',
    500: '#677bda',
    950: '#000000',
  },
}

SCSS

$custom: #677bda;
$custom-light: #9aa0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#677bda",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 218
  },
  "hsl": {
    "h": 229.565,
    "s": 60.847,
    "l": 62.941
  },
  "oklch": {
    "l": 0.61187,
    "c": 0.14522,
    "h": 272.5
  },
  "luminance": 0.22111
}

Semantic roles & 50–950 ramp

primary

#677BDA

secondary

#E3DCBA

accent

#AB1DC9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #677BDA

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

Preview Lab → · Contrast checker → · Palette generator →