#665DBD#665DBD

#665DBD is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.5% C 0.146 H 284.6°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#665DBD
RGB	rgb(102, 93, 189)
HSL	hsl(246, 42%, 55%)
HSV	hsv(246, 51%, 74%)
CMYK	cmyk(46%, 50.8%, 0%, 25.9%)
CIE-LAB	lab(44.70, 28.54, -49.57)
CIE-LCH	lch(44.70, 57.19, 299.93°)
OKLab	oklab(53.47% 0.0367 -0.1409)
OKLCH	oklch(53.47% 0.146 284.6)
XYZ	xyz(18.5765, 14.3268, 49.9208)
Luminance	0.1433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DBD #B4BD5D

analogous

#5D84BD #665DBD #965DBD

triadic

#665DBD #BD665D #5DBD66

tetradic

#665DBD #BD5D84 #B4BD5D #5DBD96

square

#665DBD #BD5D84 #B4BD5D #5DBD96

split-complementary

#665DBD #BD965D #84BD5D

monochromatic

#342E71 #49409D #665DBD #8F88CF #B8B4E0

Accessibility & contrast

On white

5.43

#665DBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#665DBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DBD

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DBD	#FFFFFF	#000000	##FFFFFF
##665DBD	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#316DC0

Deuteranopia (green-blind)

#2E67BB

Tritanopia (blue-blind)

#497184

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #665dbd;
/* rgb */ color: rgb(102, 93, 189);
/* oklch */ color: oklch(53.5% 0.146 284.6);

Tailwind

colors: {
  custom: {
    50: '#978bd1',
    500: '#665dbd',
    950: '#000000',
  },
}

SCSS

$custom: #665dbd;
$custom-light: #978bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#665dbd",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 189
  },
  "hsl": {
    "h": 245.625,
    "s": 42.105,
    "l": 55.294
  },
  "oklch": {
    "l": 0.53471,
    "c": 0.14563,
    "h": 284.6
  },
  "luminance": 0.14328
}

Semantic roles & 50–950 ramp

primary

#665DBD

secondary

#CBCFA7

accent

#D256C6

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0C14

muted

#7E7D82

Preview Lab

Preview with #665DBD

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

Preview Lab → · Contrast checker → · Palette generator →