#4166CA#4166CA

#4166CA is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.7% C 0.161 H 265.9°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#4166CA
RGB	rgb(65, 102, 202)
HSL	hsl(224, 56%, 52%)
HSV	hsv(224, 68%, 79%)
CMYK	cmyk(67.8%, 49.5%, 0%, 20.8%)
CIE-LAB	lab(45.48, 19.92, -55.95)
CIE-LCH	lch(45.48, 59.39, 289.60°)
OKLab	oklab(53.71% -0.0115 -0.1605)
OKLCH	oklch(53.71% 0.161 265.9)
XYZ	xyz(17.5883, 14.8891, 57.8126)
Luminance	0.1489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166CA #CAA541

analogous

#41AACA #4166CA #6141CA

triadic

#4166CA #CA4166 #66CA41

tetradic

#4166CA #CA41AA #CAA541 #41CA61

square

#4166CA #CA41AA #CAA541 #41CA61

split-complementary

#4166CA #CA6141 #AACA41

monochromatic

#203671 #2D4CA1 #4166CA #718DD7 #A1B3E5

Accessibility & contrast

On white

5.28

#4166CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#4166CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166CA

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166CA	#FFFFFF	#000000	##FFFFFF
##4166CA	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E72CE

Deuteranopia (green-blind)

#0066C8

Tritanopia (blue-blind)

#007D8E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4166ca;
/* rgb */ color: rgb(65, 102, 202);
/* oklch */ color: oklch(53.7% 0.161 265.9);

Tailwind

colors: {
  custom: {
    50: '#8591db',
    500: '#4166ca',
    950: '#000000',
  },
}

SCSS

$custom: #4166ca;
$custom-light: #8591db;
$custom-dark: #000000;

JSON

{
  "hex": "#4166ca",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 202
  },
  "hsl": {
    "h": 223.796,
    "s": 56.379,
    "l": 52.353
  },
  "oklch": {
    "l": 0.5371,
    "c": 0.16091,
    "h": 265.9
  },
  "luminance": 0.14891
}

Semantic roles & 50–950 ramp

primary

#4166CA

secondary

#D1C196

accent

#B748E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4166CA

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

Preview Lab → · Contrast checker → · Palette generator →