#4165CB#4165CB

#4165CB is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.6% C 0.164 H 266.3°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#4165CB
RGB	rgb(65, 101, 203)
HSL	hsl(224, 57%, 53%)
HSV	hsv(224, 68%, 80%)
CMYK	cmyk(68%, 50.2%, 0%, 20.4%)
CIE-LAB	lab(45.28, 20.91, -56.85)
CIE-LCH	lch(45.28, 60.58, 290.19°)
OKLab	oklab(53.58% -0.0105 -0.1632)
OKLCH	oklch(53.58% 0.164 266.3)
XYZ	xyz(17.6094, 14.7412, 58.4057)
Luminance	0.1474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4165CB #CBA741

analogous

#41AACB #4165CB #6241CB

triadic

#4165CB #CB4165 #65CB41

tetradic

#4165CB #CB41AA #CBA741 #41CB62

square

#4165CB #CB41AA #CBA741 #41CB62

split-complementary

#4165CB #CB6241 #AACB41

monochromatic

#1F3572 #2C4BA2 #4165CB #718CD8 #A1B3E5

Accessibility & contrast

On white

5.32

#4165CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#4165CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4165CB

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4165CB	#FFFFFF	#000000	##FFFFFF
##4165CB	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A72CF

Deuteranopia (green-blind)

#0065C9

Tritanopia (blue-blind)

#007D8E

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4165cb;
/* rgb */ color: rgb(65, 101, 203);
/* oklch */ color: oklch(53.6% 0.164 266.3);

Tailwind

colors: {
  custom: {
    50: '#8590db',
    500: '#4165cb',
    950: '#000000',
  },
}

SCSS

$custom: #4165cb;
$custom-light: #8590db;
$custom-dark: #000000;

JSON

{
  "hex": "#4165cb",
  "rgb": {
    "r": 65,
    "g": 101,
    "b": 203
  },
  "hsl": {
    "h": 224.348,
    "s": 57.025,
    "l": 52.549
  },
  "oklch": {
    "l": 0.53576,
    "c": 0.16351,
    "h": 266.3
  },
  "luminance": 0.14743
}

Semantic roles & 50–950 ramp

primary

#4165CB

secondary

#D2C296

accent

#B848E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4165CB

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

Preview Lab → · Contrast checker → · Palette generator →