#677CCF#677CCF

#677CCF is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.7% C 0.128 H 271.4°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#677CCF
RGB	rgb(103, 124, 207)
HSL	hsl(228, 52%, 61%)
HSV	hsv(228, 50%, 81%)
CMYK	cmyk(50.2%, 40.1%, 0%, 18.8%)
CIE-LAB	lab(53.82, 15.36, -45.36)
CIE-LCH	lch(53.82, 47.89, 288.71°)
OKLab	oklab(60.74% 0.0032 -0.1284)
OKLCH	oklch(60.74% 0.128 271.4)
XYZ	xyz(24.0600, 21.8023, 61.9598)
Luminance	0.2180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CCF #CFBA67

analogous

#67B0CF #677CCF #8667CF

triadic

#677CCF #CF677C #7CCF67

tetradic

#677CCF #CF67B0 #CFBA67 #67CF86

square

#677CCF #CF67B0 #CFBA67 #67CF86

split-complementary

#677CCF #CF8667 #B0CF67

monochromatic

#2D418F #3C56BD #677CCF #96A4DE #C4CCEC

Accessibility & contrast

On white

3.92

#677CCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#677CCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CCF

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CCF	#FFFFFF	#000000	##000000
##677CCF	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B85D2

Deuteranopia (green-blind)

#507CCD

Tritanopia (blue-blind)

#3B8E9B

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #677ccf;
/* rgb */ color: rgb(103, 124, 207);
/* oklch */ color: oklch(60.7% 0.128 271.4);

Tailwind

colors: {
  custom: {
    50: '#98a1de',
    500: '#677ccf',
    950: '#000000',
  },
}

SCSS

$custom: #677ccf;
$custom-light: #98a1de;
$custom-dark: #000000;

JSON

{
  "hex": "#677ccf",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 207
  },
  "hsl": {
    "h": 227.885,
    "s": 52,
    "l": 60.784
  },
  "oklch": {
    "l": 0.60744,
    "c": 0.12843,
    "h": 271.4
  },
  "luminance": 0.21804
}

Semantic roles & 50–950 ramp

primary

#677CCF

secondary

#DDD5B5

accent

#A026BF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #677CCF

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

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