#4166CD#4166CD

#4166CD is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.9% C 0.165 H 266.1°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#4166CD
RGB	rgb(65, 102, 205)
HSL	hsl(224, 58%, 53%)
HSV	hsv(224, 68%, 80%)
CMYK	cmyk(68.3%, 50.2%, 0%, 19.6%)
CIE-LAB	lab(45.68, 20.99, -57.35)
CIE-LCH	lch(45.68, 61.07, 290.10°)
OKLab	oklab(53.92% -0.0112 -0.1646)
OKLCH	oklch(53.92% 0.165 266.1)
XYZ	xyz(17.9470, 15.0326, 59.7015)
Luminance	0.1503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166CD #CDA841

analogous

#41ACCD #4166CD #6241CD

triadic

#4166CD #CD4166 #66CD41

tetradic

#4166CD #CD41AC #CDA841 #41CD62

square

#4166CD #CD41AC #CDA841 #41CD62

split-complementary

#4166CD #CD6241 #ACCD41

monochromatic

#1F3675 #2C4CA5 #4166CD #718DDA #A2B4E6

Accessibility & contrast

On white

5.24

#4166CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#4166CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166CD

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166CD	#FFFFFF	#000000	##FFFFFF
##4166CD	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A73D1

Deuteranopia (green-blind)

#0066CB

Tritanopia (blue-blind)

#007E90

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4166cd;
/* rgb */ color: rgb(65, 102, 205);
/* oklch */ color: oklch(53.9% 0.165 266.1);

Tailwind

colors: {
  custom: {
    50: '#8591dd',
    500: '#4166cd',
    950: '#000000',
  },
}

SCSS

$custom: #4166cd;
$custom-light: #8591dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4166cd",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 205
  },
  "hsl": {
    "h": 224.143,
    "s": 58.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.53923,
    "c": 0.16501,
    "h": 266.1
  },
  "luminance": 0.15034
}

Semantic roles & 50–950 ramp

primary

#4166CD

secondary

#D3C397

accent

#B946E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4166CD

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

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