#4166C5#4166C5

#4166C5 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.4% C 0.154 H 265.5°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#4166C5
RGB	rgb(65, 102, 197)
HSL	hsl(223, 53%, 51%)
HSV	hsv(223, 67%, 77%)
CMYK	cmyk(67%, 48.2%, 0%, 22.7%)
CIE-LAB	lab(45.16, 18.13, -53.59)
CIE-LCH	lch(45.16, 56.57, 288.69°)
OKLab	oklab(53.36% -0.0121 -0.1535)
OKLCH	oklch(53.36% 0.154 265.5)
XYZ	xyz(17.0059, 14.6561, 54.7452)
Luminance	0.1466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166C5 #C5A041

analogous

#41A8C5 #4166C5 #5E41C5

triadic

#4166C5 #C54166 #66C541

tetradic

#4166C5 #C541A8 #C5A041 #41C55E

square

#4166C5 #C541A8 #C5A041 #41C55E

split-complementary

#4166C5 #C55E41 #A8C541

monochromatic

#21356B #2F4D9A #4166C5 #708CD3 #9FB2E2

Accessibility & contrast

On white

5.34

#4166C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#4166C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166C5

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166C5	#FFFFFF	#000000	##FFFFFF
##4166C5	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3371C8

Deuteranopia (green-blind)

#1365C3

Tritanopia (blue-blind)

#007C8C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4166c5;
/* rgb */ color: rgb(65, 102, 197);
/* oklch */ color: oklch(53.4% 0.154 265.5);

Tailwind

colors: {
  custom: {
    50: '#8491d7',
    500: '#4166c5',
    950: '#000000',
  },
}

SCSS

$custom: #4166c5;
$custom-light: #8491d7;
$custom-dark: #000000;

JSON

{
  "hex": "#4166c5",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 197
  },
  "hsl": {
    "h": 223.182,
    "s": 53.226,
    "l": 51.373
  },
  "oklch": {
    "l": 0.53361,
    "c": 0.15403,
    "h": 265.5
  },
  "luminance": 0.14658
}

Semantic roles & 50–950 ramp

primary

#4166C5

secondary

#CEBE94

accent

#B44BDD

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4166C5

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

Preview Lab → · Contrast checker → · Palette generator →