#4163CC#4163CC

#4163CC is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.2% C 0.167 H 267.1°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#4163CC
RGB	rgb(65, 99, 204)
HSL	hsl(225, 58%, 53%)
HSV	hsv(225, 68%, 80%)
CMYK	cmyk(68.1%, 51.5%, 0%, 20%)
CIE-LAB	lab(44.81, 22.54, -58.18)
CIE-LCH	lch(44.81, 62.40, 291.18°)
OKLab	oklab(53.24% -0.0086 -0.1671)
OKLCH	oklch(53.24% 0.167 267.1)
XYZ	xyz(17.5371, 14.4054, 58.9713)
Luminance	0.1441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4163CC #CCAA41

analogous

#41A8CC #4163CC #6541CC

triadic

#4163CC #CC4163 #63CC41

tetradic

#4163CC #CC41A8 #CCAA41 #41CC65

square

#4163CC #CC41A8 #CCAA41 #41CC65

split-complementary

#4163CC #CC6541 #A8CC41

monochromatic

#1F3474 #2C49A4 #4163CC #718BD9 #A1B2E6

Accessibility & contrast

On white

5.41

#4163CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#4163CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4163CC

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4163CC	#FFFFFF	#000000	##FFFFFF
##4163CC	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2271D0

Deuteranopia (green-blind)

#0064CA

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4163cc;
/* rgb */ color: rgb(65, 99, 204);
/* oklch */ color: oklch(53.2% 0.167 267.1);

Tailwind

colors: {
  custom: {
    50: '#858edc',
    500: '#4163cc',
    950: '#000000',
  },
}

SCSS

$custom: #4163cc;
$custom-light: #858edc;
$custom-dark: #000000;

JSON

{
  "hex": "#4163cc",
  "rgb": {
    "r": 65,
    "g": 99,
    "b": 204
  },
  "hsl": {
    "h": 225.324,
    "s": 57.676,
    "l": 52.745
  },
  "oklch": {
    "l": 0.53241,
    "c": 0.16734,
    "h": 267.1
  },
  "luminance": 0.14407
}

Semantic roles & 50–950 ramp

primary

#4163CC

secondary

#D3C496

accent

#BB47E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4163CC

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

Preview Lab → · Contrast checker → · Palette generator →