#4165CC#4165CC

#4165CC is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.6% C 0.165 H 266.4°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#4165CC
RGB	rgb(65, 101, 204)
HSL	hsl(224, 58%, 53%)
HSV	hsv(224, 68%, 80%)
CMYK	cmyk(68.1%, 50.5%, 0%, 20%)
CIE-LAB	lab(45.34, 21.27, -57.32)
CIE-LCH	lch(45.34, 61.14, 290.36°)
OKLab	oklab(53.65% -0.0104 -0.1645)
OKLCH	oklch(53.65% 0.165 266.4)
XYZ	xyz(17.7290, 14.7891, 59.0353)
Luminance	0.1479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4165CC #CCA841

analogous

#41ABCC #4165CC #6241CC

triadic

#4165CC #CC4165 #65CC41

tetradic

#4165CC #CC41AB #CCA841 #41CC62

square

#4165CC #CC41AB #CCA841 #41CC62

split-complementary

#4165CC #CC6241 #ABCC41

monochromatic

#1F3574 #2C4BA4 #4165CC #718CD9 #A1B3E6

Accessibility & contrast

On white

5.31

#4165CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#4165CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4165CC

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4165CC	#FFFFFF	#000000	##FFFFFF
##4165CC	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2872D0

Deuteranopia (green-blind)

#0065CA

Tritanopia (blue-blind)

#007D8F

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4165cc;
/* rgb */ color: rgb(65, 101, 204);
/* oklch */ color: oklch(53.6% 0.165 266.4);

Tailwind

colors: {
  custom: {
    50: '#8590dc',
    500: '#4165cc',
    950: '#000000',
  },
}

SCSS

$custom: #4165cc;
$custom-light: #8590dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4165cc",
  "rgb": {
    "r": 65,
    "g": 101,
    "b": 204
  },
  "hsl": {
    "h": 224.46,
    "s": 57.676,
    "l": 52.745
  },
  "oklch": {
    "l": 0.53647,
    "c": 0.16488,
    "h": 266.4
  },
  "luminance": 0.14791
}

Semantic roles & 50–950 ramp

primary

#4165CC

secondary

#D3C396

accent

#B947E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4165CC

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

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