#665F8A#665F8A

#665F8A is a mid, moderate blue. Relative luminance 0.128; OKLCH L 50.9% C 0.068 H 291.3°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#665F8A
RGB	rgb(102, 95, 138)
HSL	hsl(250, 18%, 46%)
HSV	hsv(250, 31%, 54%)
CMYK	cmyk(26.1%, 31.2%, 0%, 45.9%)
CIE-LAB	lab(42.53, 12.78, -22.81)
CIE-LCH	lch(42.53, 26.14, 299.25°)
OKLab	oklab(50.94% 0.0246 -0.0631)
OKLCH	oklch(50.94% 0.068 291.3)
XYZ	xyz(14.1580, 12.8440, 25.7730)
Luminance	0.1284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665F8A #838A5F

analogous

#5F6D8A #665F8A #7B5F8A

triadic

#665F8A #8A665F #5F8A66

tetradic

#665F8A #8A5F6D #838A5F #5F8A7B

square

#665F8A #8A5F6D #838A5F #5F8A7B

split-complementary

#665F8A #8A7B5F #6D8A5F

monochromatic

#302D42 #4B4666 #665F8A #867FA7 #A8A3C0

Accessibility & contrast

On white

5.88

#665F8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#665F8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665F8A

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665F8A	#FFFFFF	#000000	##FFFFFF
##665F8A	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54658C

Deuteranopia (green-blind)

#546489

Tritanopia (blue-blind)

#5E666E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #665f8a;
/* rgb */ color: rgb(102, 95, 138);
/* oklch */ color: oklch(50.9% 0.068 291.3);

Tailwind

colors: {
  custom: {
    50: '#928cac',
    500: '#665f8a',
    950: '#000000',
  },
}

SCSS

$custom: #665f8a;
$custom-light: #928cac;
$custom-dark: #000000;

JSON

{
  "hex": "#665f8a",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 138
  },
  "hsl": {
    "h": 249.767,
    "s": 18.455,
    "l": 45.686
  },
  "oklch": {
    "l": 0.50945,
    "c": 0.06772,
    "h": 291.3
  },
  "luminance": 0.12844
}

Semantic roles & 50–950 ramp

primary

#665F8A

secondary

#AAAE96

accent

#BB6DAE

background

#F9F8FA

surface

#F1F0F4

border

#CBCBCE

text

#0D0C10

muted

#7E7D7F

Preview Lab

Preview with #665F8A

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

Preview Lab → · Contrast checker → · Palette generator →