#665CBC#665CBC

#665CBC is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.2% C 0.146 H 285.0°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#665CBC
RGB	rgb(102, 92, 188)
HSL	hsl(246, 42%, 55%)
HSV	hsv(246, 51%, 74%)
CMYK	cmyk(45.7%, 51.1%, 0%, 26.3%)
CIE-LAB	lab(44.39, 28.85, -49.48)
CIE-LCH	lch(44.39, 57.28, 300.24°)
OKLab	oklab(53.22% 0.0378 -0.1407)
OKLCH	oklch(53.22% 0.146 285)
XYZ	xyz(18.3811, 14.1091, 49.3220)
Luminance	0.1411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CBC #B2BC5C

analogous

#5C82BC #665CBC #965CBC

triadic

#665CBC #BC665C #5CBC66

tetradic

#665CBC #BC5C82 #B2BC5C #5CBC96

square

#665CBC #BC5C82 #B2BC5C #5CBC96

split-complementary

#665CBC #BC965C #82BC5C

monochromatic

#352E70 #49409B #665CBC #8F87CE #B7B3E0

Accessibility & contrast

On white

5.49

#665CBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#665CBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CBC

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CBC	#FFFFFF	#000000	##FFFFFF
##665CBC	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#306CBF

Deuteranopia (green-blind)

#2D66BA

Tritanopia (blue-blind)

#4A7083

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #665cbc;
/* rgb */ color: rgb(102, 92, 188);
/* oklch */ color: oklch(53.2% 0.146 285.0);

Tailwind

colors: {
  custom: {
    50: '#978ad1',
    500: '#665cbc',
    950: '#000000',
  },
}

SCSS

$custom: #665cbc;
$custom-light: #978ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#665cbc",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 188
  },
  "hsl": {
    "h": 246.25,
    "s": 41.739,
    "l": 54.902
  },
  "oklch": {
    "l": 0.53219,
    "c": 0.14569,
    "h": 285
  },
  "luminance": 0.1411
}

Semantic roles & 50–950 ramp

primary

#665CBC

secondary

#CACEA6

accent

#D256C5

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0B14

muted

#7E7C82

Preview Lab

Preview with #665CBC

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

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