#665EA8#665EA8

#665EA8 is a mid, moderate blue. Relative luminance 0.137; OKLCH L 52.4% C 0.114 H 286.7°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#665EA8
RGB	rgb(102, 94, 168)
HSL	hsl(246, 30%, 51%)
HSV	hsv(246, 44%, 66%)
CMYK	cmyk(39.3%, 44%, 0%, 34.1%)
CIE-LAB	lab(43.74, 21.71, -38.80)
CIE-LCH	lch(43.74, 44.46, 299.23°)
OKLab	oklab(52.35% 0.0328 -0.1094)
OKLCH	oklch(52.35% 0.114 286.7)
XYZ	xyz(16.5481, 13.6568, 38.8023)
Luminance	0.1366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665EA8 #A0A85E

analogous

#5E7BA8 #665EA8 #8B5EA8

triadic

#665EA8 #A8665E #5EA866

tetradic

#665EA8 #A85E7B #A0A85E #5EA88B

square

#665EA8 #A85E7B #A0A85E #5EA88B

split-complementary

#665EA8 #A88B5E #7BA85E

monochromatic

#35315B #4D4682 #665EA8 #8C86BD #B2ADD3

Accessibility & contrast

On white

5.63

#665EA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#665EA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665EA8

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665EA8	#FFFFFF	#000000	##FFFFFF
##665EA8	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4469AB

Deuteranopia (green-blind)

#4365A6

Tritanopia (blue-blind)

#546D7B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #665ea8;
/* rgb */ color: rgb(102, 94, 168);
/* oklch */ color: oklch(52.4% 0.114 286.7);

Tailwind

colors: {
  custom: {
    50: '#958bc2',
    500: '#665ea8',
    950: '#000000',
  },
}

SCSS

$custom: #665ea8;
$custom-light: #958bc2;
$custom-dark: #000000;

JSON

{
  "hex": "#665ea8",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 168
  },
  "hsl": {
    "h": 246.486,
    "s": 29.839,
    "l": 51.373
  },
  "oklch": {
    "l": 0.52353,
    "c": 0.11422,
    "h": 286.7
  },
  "luminance": 0.13657
}

Semantic roles & 50–950 ramp

primary

#665EA8

secondary

#BEC1A1

accent

#C662BB

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #665EA8

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

Preview Lab → · Contrast checker → · Palette generator →