#4164CB#4164CB

#4164CB is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.4% C 0.165 H 266.7°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#4164CB
RGB	rgb(65, 100, 203)
HSL	hsl(225, 57%, 53%)
HSV	hsv(225, 68%, 80%)
CMYK	cmyk(68%, 50.7%, 0%, 20.4%)
CIE-LAB	lab(45.01, 21.55, -57.29)
CIE-LCH	lch(45.01, 61.20, 290.61°)
OKLab	oklab(53.37% -0.0096 -0.1645)
OKLCH	oklch(53.37% 0.165 266.7)
XYZ	xyz(17.5129, 14.5482, 58.3735)
Luminance	0.1455 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4164CB #CBA841

analogous

#41A9CB #4164CB #6341CB

triadic

#4164CB #CB4164 #64CB41

tetradic

#4164CB #CB41A9 #CBA841 #41CB63

square

#4164CB #CB41A9 #CBA841 #41CB63

split-complementary

#4164CB #CB6341 #A9CB41

monochromatic

#1F3472 #2C4AA2 #4164CB #718BD8 #A1B2E5

Accessibility & contrast

On white

5.37

#4164CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#4164CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4164CB

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4164CB	#FFFFFF	#000000	##FFFFFF
##4164CB	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2771CF

Deuteranopia (green-blind)

#0065C9

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4164cb;
/* rgb */ color: rgb(65, 100, 203);
/* oklch */ color: oklch(53.4% 0.165 266.7);

Tailwind

colors: {
  custom: {
    50: '#858fdb',
    500: '#4164cb',
    950: '#000000',
  },
}

SCSS

$custom: #4164cb;
$custom-light: #858fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4164cb",
  "rgb": {
    "r": 65,
    "g": 100,
    "b": 203
  },
  "hsl": {
    "h": 224.783,
    "s": 57.025,
    "l": 52.549
  },
  "oklch": {
    "l": 0.53372,
    "c": 0.16474,
    "h": 266.7
  },
  "luminance": 0.1455
}

Semantic roles & 50–950 ramp

primary

#4164CB

secondary

#D2C396

accent

#BA48E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4164CB

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

Preview Lab → · Contrast checker → · Palette generator →