#677ED8#677ED8

#677ED8 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.7% C 0.139 H 271.1°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#677ED8
RGB	rgb(103, 126, 216)
HSL	hsl(228, 59%, 63%)
HSV	hsv(228, 52%, 85%)
CMYK	cmyk(52.3%, 41.7%, 0%, 15.3%)
CIE-LAB	lab(54.83, 16.97, -48.84)
CIE-LCH	lch(54.83, 51.71, 289.15°)
OKLab	oklab(61.67% 0.0026 -0.1386)
OKLCH	oklch(61.67% 0.139 271.1)
XYZ	xyz(25.4450, 22.7614, 68.0050)
Luminance	0.2276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677ED8 #D8C167

analogous

#67B6D8 #677ED8 #8967D8

triadic

#677ED8 #D8677E #7ED867

tetradic

#677ED8 #D867B6 #D8C167 #67D889

square

#677ED8 #D867B6 #D8C167 #67D889

split-complementary

#677ED8 #D88967 #B6D867

monochromatic

#28409C #3655CC #677ED8 #98A7E4 #C8D1F1

Accessibility & contrast

On white

3.78

#677ED8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#677ED8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677ED8

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677ED8	#FFFFFF	#000000	##000000
##677ED8	1.00	3.78	5.55	5.55
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5988DB

Deuteranopia (green-blind)

#4C7FD6

Tritanopia (blue-blind)

#3291A0

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #677ed8;
/* rgb */ color: rgb(103, 126, 216);
/* oklch */ color: oklch(61.7% 0.139 271.1);

Tailwind

colors: {
  custom: {
    50: '#99a3e4',
    500: '#677ed8',
    950: '#000000',
  },
}

SCSS

$custom: #677ed8;
$custom-light: #99a3e4;
$custom-dark: #000000;

JSON

{
  "hex": "#677ed8",
  "rgb": {
    "r": 103,
    "g": 126,
    "b": 216
  },
  "hsl": {
    "h": 227.788,
    "s": 59.162,
    "l": 62.549
  },
  "oklch": {
    "l": 0.61674,
    "c": 0.13859,
    "h": 271.1
  },
  "luminance": 0.22763
}

Semantic roles & 50–950 ramp

primary

#677ED8

secondary

#E2DAB9

accent

#A51FC7

background

#F9FAFE

surface

#F2F3FC

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #677ED8

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

Preview Lab → · Contrast checker → · Palette generator →