#677CDC#677CDC

#677CDC is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.5% C 0.147 H 272.1°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#677CDC
RGB	rgb(103, 124, 220)
HSL	hsl(229, 63%, 63%)
HSV	hsv(229, 53%, 86%)
CMYK	cmyk(53.2%, 43.6%, 0%, 13.7%)
CIE-LAB	lab(54.52, 19.44, -51.59)
CIE-LCH	lch(54.52, 55.13, 290.64°)
OKLab	oklab(61.51% 0.0055 -0.1466)
OKLCH	oklch(61.51% 0.147 272.1)
XYZ	xyz(25.7152, 22.4644, 70.6773)
Luminance	0.2247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CDC #DCC767

analogous

#67B6DC #677CDC #8C67DC

triadic

#677CDC #DC677C #7CDC67

tetradic

#677CDC #DC67B6 #DCC767 #67DC8C

square

#677CDC #DC67B6 #DCC767 #67DC8C

split-complementary

#677CDC #DC8C67 #B6DC67

monochromatic

#263CA3 #3551D1 #677CDC #99A7E7 #CAD2F3

Accessibility & contrast

On white

3.82

#677CDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#677CDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CDC

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CDC	#FFFFFF	#000000	##000000
##677CDC	1.00	3.82	5.49	5.49
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5388E0

Deuteranopia (green-blind)

#457EDA

Tritanopia (blue-blind)

#2E91A1

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #677cdc;
/* rgb */ color: rgb(103, 124, 220);
/* oklch */ color: oklch(61.5% 0.147 272.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#677cdc",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 220
  },
  "hsl": {
    "h": 229.231,
    "s": 62.567,
    "l": 63.333
  },
  "oklch": {
    "l": 0.61508,
    "c": 0.14673,
    "h": 272.1
  },
  "luminance": 0.22466
}

Semantic roles & 50–950 ramp

primary

#677CDC

secondary

#E4DDBB

accent

#AB1BCA

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #677CDC

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

Preview Lab → · Contrast checker → · Palette generator →