#6683CA#6683CA

#6683CA is a mid, moderate blue. Relative luminance 0.233; OKLCH L 61.9% C 0.113 H 266.3°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#6683CA
RGB	rgb(102, 131, 202)
HSL	hsl(223, 49%, 60%)
HSV	hsv(223, 50%, 79%)
CMYK	cmyk(49.5%, 35.1%, 0%, 20.8%)
CIE-LAB	lab(55.40, 9.38, -40.03)
CIE-LCH	lch(55.40, 41.11, 283.18°)
OKLab	oklab(61.87% -0.0073 -0.1128)
OKLCH	oklch(61.87% 0.113 266.3)
XYZ	xyz(24.2530, 23.3201, 59.0889)
Luminance	0.2332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6683CA #CAAD66

analogous

#66B5CA #6683CA #7B66CA

triadic

#6683CA #CA6683 #83CA66

tetradic

#6683CA #CA66B5 #CAAD66 #66CA7B

square

#6683CA #CA66B5 #CAAD66 #66CA7B

split-complementary

#6683CA #CA7B66 #B5CA66

monochromatic

#2F4887 #3E61B4 #6683CA #93A8DA #C1CDE9

Accessibility & contrast

On white

3.71

#6683CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#6683CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6683CA

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6683CA	#FFFFFF	#000000	##000000
##6683CA	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#688ACD

Deuteranopia (green-blind)

#5D81C8

Tritanopia (blue-blind)

#3B929D

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #6683ca;
/* rgb */ color: rgb(102, 131, 202);
/* oklch */ color: oklch(61.9% 0.113 266.3);

Tailwind

colors: {
  custom: {
    50: '#97a6da',
    500: '#6683ca',
    950: '#000000',
  },
}

SCSS

$custom: #6683ca;
$custom-light: #97a6da;
$custom-dark: #000000;

JSON

{
  "hex": "#6683ca",
  "rgb": {
    "r": 102,
    "g": 131,
    "b": 202
  },
  "hsl": {
    "h": 222.6,
    "s": 48.544,
    "l": 59.608
  },
  "oklch": {
    "l": 0.61868,
    "c": 0.11306,
    "h": 266.3
  },
  "luminance": 0.23322
}

Semantic roles & 50–950 ramp

primary

#6683CA

secondary

#D9CEB2

accent

#B150D8

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #6683CA

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

Preview Lab → · Contrast checker → · Palette generator →