#677ADB#677ADB

#677ADB is a mid, vivid blue. Relative luminance 0.219; OKLCH L 61.0% C 0.148 H 272.9°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#677ADB
RGB	rgb(103, 122, 219)
HSL	hsl(230, 62%, 63%)
HSV	hsv(230, 53%, 86%)
CMYK	cmyk(53%, 44.3%, 0%, 14.1%)
CIE-LAB	lab(53.94, 20.33, -51.95)
CIE-LCH	lch(53.94, 55.79, 291.37°)
OKLab	oklab(61.05% 0.0076 -0.1477)
OKLCH	oklch(61.05% 0.148 272.9)
XYZ	xyz(25.3351, 21.9154, 69.8992)
Luminance	0.2192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677ADB #DBC867

analogous

#67B4DB #677ADB #8E67DB

triadic

#677ADB #DB677A #7ADB67

tetradic

#677ADB #DB67B4 #DBC867 #67DB8E

square

#677ADB #DB67B4 #DBC867 #67DB8E

split-complementary

#677ADB #DB8E67 #B4DB67

monochromatic

#263AA1 #364FCF #677ADB #98A5E7 #CAD1F2

Accessibility & contrast

On white

3.90

#677ADB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#677ADB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677ADB

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677ADB	#FFFFFF	#000000	##000000
##677ADB	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5086DF

Deuteranopia (green-blind)

#437CD9

Tritanopia (blue-blind)

#2F8FA0

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #677adb;
/* rgb */ color: rgb(103, 122, 219);
/* oklch */ color: oklch(61.0% 0.148 272.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#677adb",
  "rgb": {
    "r": 103,
    "g": 122,
    "b": 219
  },
  "hsl": {
    "h": 230.172,
    "s": 61.702,
    "l": 63.137
  },
  "oklch": {
    "l": 0.61047,
    "c": 0.1479,
    "h": 272.9
  },
  "luminance": 0.21917
}

Semantic roles & 50–950 ramp

primary

#677ADB

secondary

#E4DDBA

accent

#AD1CC9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #677ADB

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

Preview Lab → · Contrast checker → · Palette generator →