#677CDB#677CDB

#677CDB is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.4% C 0.145 H 272.1°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#677CDB
RGB	rgb(103, 124, 219)
HSL	hsl(229, 62%, 63%)
HSV	hsv(229, 53%, 86%)
CMYK	cmyk(53%, 43.4%, 0%, 14.1%)
CIE-LAB	lab(54.46, 19.12, -51.11)
CIE-LCH	lch(54.46, 54.57, 290.51°)
OKLab	oklab(61.45% 0.0053 -0.1452)
OKLCH	oklch(61.45% 0.145 272.1)
XYZ	xyz(25.5832, 22.4116, 69.9819)
Luminance	0.2241 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CDB #DBC667

analogous

#67B6DB #677CDB #8C67DB

triadic

#677CDB #DB677C #7CDB67

tetradic

#677CDB #DB67B6 #DBC667 #67DB8C

square

#677CDB #DB67B6 #DBC667 #67DB8C

split-complementary

#677CDB #DB8C67 #B6DB67

monochromatic

#263DA1 #3651CF #677CDB #98A7E7 #CAD1F2

Accessibility & contrast

On white

3.83

#677CDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#677CDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CDB

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CDB	#FFFFFF	#000000	##000000
##677CDB	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5488DF

Deuteranopia (green-blind)

#467ED9

Tritanopia (blue-blind)

#2F91A1

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #677cdb;
/* rgb */ color: rgb(103, 124, 219);
/* oklch */ color: oklch(61.4% 0.145 272.1);

Tailwind

colors: {
  custom: {
    50: '#9aa1e7',
    500: '#677cdb',
    950: '#000000',
  },
}

SCSS

$custom: #677cdb;
$custom-light: #9aa1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#677cdb",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 219
  },
  "hsl": {
    "h": 229.138,
    "s": 61.702,
    "l": 63.137
  },
  "oklch": {
    "l": 0.61447,
    "c": 0.14534,
    "h": 272.1
  },
  "luminance": 0.22413
}

Semantic roles & 50–950 ramp

primary

#677CDB

secondary

#E4DCBA

accent

#AA1CC9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #677CDB

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

Preview Lab → · Contrast checker → · Palette generator →