#677EDA#677EDA

#677EDA is a mid, vivid blue. Relative luminance 0.229; OKLCH L 61.8% C 0.141 H 271.2°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#677EDA
RGB	rgb(103, 126, 218)
HSL	hsl(228, 61%, 63%)
HSV	hsv(228, 53%, 85%)
CMYK	cmyk(52.8%, 42.2%, 0%, 14.5%)
CIE-LAB	lab(54.93, 17.60, -49.80)
CIE-LCH	lch(54.93, 52.82, 289.46°)
OKLab	oklab(61.79% 0.0029 -0.1414)
OKLCH	oklch(61.79% 0.141 271.2)
XYZ	xyz(25.7051, 22.8655, 69.3750)
Luminance	0.2287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677EDA #DAC367

analogous

#67B7DA #677EDA #8967DA

triadic

#677EDA #DA677E #7EDA67

tetradic

#677EDA #DA67B7 #DAC367 #67DA89

square

#677EDA #DA67B7 #DAC367 #67DA89

split-complementary

#677EDA #DA8967 #B7DA67

monochromatic

#273FA0 #3654CE #677EDA #98A8E6 #C9D2F2

Accessibility & contrast

On white

3.77

#677EDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#677EDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677EDA

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677EDA	#FFFFFF	#000000	##000000
##677EDA	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5889DE

Deuteranopia (green-blind)

#4B7FD8

Tritanopia (blue-blind)

#2F92A1

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #677eda;
/* rgb */ color: rgb(103, 126, 218);
/* oklch */ color: oklch(61.8% 0.141 271.2);

Tailwind

colors: {
  custom: {
    50: '#9aa3e6',
    500: '#677eda',
    950: '#000000',
  },
}

SCSS

$custom: #677eda;
$custom-light: #9aa3e6;
$custom-dark: #000000;

JSON

{
  "hex": "#677eda",
  "rgb": {
    "r": 103,
    "g": 126,
    "b": 218
  },
  "hsl": {
    "h": 228,
    "s": 60.847,
    "l": 62.941
  },
  "oklch": {
    "l": 0.61791,
    "c": 0.1414,
    "h": 271.2
  },
  "luminance": 0.22867
}

Semantic roles & 50–950 ramp

primary

#677EDA

secondary

#E3DBBA

accent

#A61DC9

background

#F9FAFE

surface

#F2F3FC

border

#CCCDD5

text

#0F0F16

muted

#7E7F84

Preview Lab

Preview with #677EDA

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

Preview Lab → · Contrast checker → · Palette generator →