#677ACE#677ACE

#677ACE is a mid, vivid blue. Relative luminance 0.213; OKLCH L 60.3% C 0.130 H 272.4°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#677ACE
RGB	rgb(103, 122, 206)
HSL	hsl(229, 51%, 61%)
HSV	hsv(229, 50%, 81%)
CMYK	cmyk(50%, 40.8%, 0%, 19.2%)
CIE-LAB	lab(53.23, 16.26, -45.72)
CIE-LCH	lch(53.23, 48.53, 289.57°)
OKLab	oklab(60.28% 0.0053 -0.1295)
OKLCH	oklch(60.28% 0.13 272.4)
XYZ	xyz(23.6901, 21.2574, 61.2353)
Luminance	0.2126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677ACE #CEBB67

analogous

#67ADCE #677ACE #8767CE

triadic

#677ACE #CE677A #7ACE67

tetradic

#677ACE #CE67AD #CEBB67 #67CE87

square

#677ACE #CE67AD #CEBB67 #67CE87

split-complementary

#677ACE #CE8767 #ADCE67

monochromatic

#2D3F8D #3C54BB #677ACE #95A2DD #C4CBEC

Accessibility & contrast

On white

4.00

#677ACE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#677ACE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677ACE

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677ACE	#FFFFFF	#000000	##000000
##677ACE	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5984D1

Deuteranopia (green-blind)

#4E7BCC

Tritanopia (blue-blind)

#3C8C9A

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #677ace;
/* rgb */ color: rgb(103, 122, 206);
/* oklch */ color: oklch(60.3% 0.130 272.4);

Tailwind

colors: {
  custom: {
    50: '#98a0dd',
    500: '#677ace',
    950: '#000000',
  },
}

SCSS

$custom: #677ace;
$custom-light: #98a0dd;
$custom-dark: #000000;

JSON

{
  "hex": "#677ace",
  "rgb": {
    "r": 103,
    "g": 122,
    "b": 206
  },
  "hsl": {
    "h": 228.932,
    "s": 51.244,
    "l": 60.588
  },
  "oklch": {
    "l": 0.60276,
    "c": 0.12958,
    "h": 272.4
  },
  "luminance": 0.21259
}

Semantic roles & 50–950 ramp

primary

#677ACE

secondary

#DCD5B5

accent

#A327BF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #677ACE

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

Preview Lab → · Contrast checker → · Palette generator →