#677BDB#677BDB

#677BDB is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.2% C 0.147 H 272.5°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#677BDB
RGB	rgb(103, 123, 219)
HSL	hsl(230, 62%, 63%)
HSV	hsv(230, 53%, 86%)
CMYK	cmyk(53%, 43.8%, 0%, 14.1%)
CIE-LAB	lab(54.20, 19.73, -51.53)
CIE-LCH	lch(54.20, 55.18, 290.95°)
OKLab	oklab(61.25% 0.0065 -0.1465)
OKLCH	oklch(61.25% 0.147 272.5)
XYZ	xyz(25.4585, 22.1622, 69.9403)
Luminance	0.2216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BDB #DBC767

analogous

#67B5DB #677BDB #8D67DB

triadic

#677BDB #DB677B #7BDB67

tetradic

#677BDB #DB67B5 #DBC767 #67DB8D

square

#677BDB #DB67B5 #DBC767 #67DB8D

split-complementary

#677BDB #DB8D67 #B5DB67

monochromatic

#263BA1 #3650CF #677BDB #98A6E7 #CAD1F2

Accessibility & contrast

On white

3.87

#677BDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#677BDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BDB

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BDB	#FFFFFF	#000000	##000000
##677BDB	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5287DF

Deuteranopia (green-blind)

#457DD9

Tritanopia (blue-blind)

#2F90A0

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #677bdb;
/* rgb */ color: rgb(103, 123, 219);
/* oklch */ color: oklch(61.2% 0.147 272.5);

Tailwind

colors: {
  custom: {
    50: '#9aa0e7',
    500: '#677bdb',
    950: '#000000',
  },
}

SCSS

$custom: #677bdb;
$custom-light: #9aa0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#677bdb",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 219
  },
  "hsl": {
    "h": 229.655,
    "s": 61.702,
    "l": 63.137
  },
  "oklch": {
    "l": 0.61247,
    "c": 0.14661,
    "h": 272.5
  },
  "luminance": 0.22164
}

Semantic roles & 50–950 ramp

primary

#677BDB

secondary

#E4DDBA

accent

#AC1CC9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #677BDB

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

Preview Lab → · Contrast checker → · Palette generator →