#4065CB#4065CB

#4065CB is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.5% C 0.164 H 266.0°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#4065CB
RGB	rgb(64, 101, 203)
HSL	hsl(224, 57%, 52%)
HSV	hsv(224, 68%, 80%)
CMYK	cmyk(68.5%, 50.2%, 0%, 20.4%)
CIE-LAB	lab(45.23, 20.76, -56.93)
CIE-LCH	lch(45.23, 60.60, 290.03°)
OKLab	oklab(53.53% -0.0114 -0.1634)
OKLCH	oklch(53.53% 0.164 266)
XYZ	xyz(17.5438, 14.7074, 58.4026)
Luminance	0.1471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4065CB #CBA640

analogous

#40AACB #4065CB #6140CB

triadic

#4065CB #CB4065 #65CB40

tetradic

#4065CB #CB40AA #CBA640 #40CB61

square

#4065CB #CB40AA #CBA640 #40CB61

split-complementary

#4065CB #CB6140 #AACB40

monochromatic

#1F3572 #2C4BA2 #4065CB #708CD8 #A0B3E5

Accessibility & contrast

On white

5.33

#4065CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#4065CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4065CB

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4065CB	#FFFFFF	#000000	##FFFFFF
##4065CB	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2972CF

Deuteranopia (green-blind)

#0065C9

Tritanopia (blue-blind)

#007D8E

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4065cb;
/* rgb */ color: rgb(64, 101, 203);
/* oklch */ color: oklch(53.5% 0.164 266.0);

Tailwind

colors: {
  custom: {
    50: '#8590db',
    500: '#4065cb',
    950: '#000000',
  },
}

SCSS

$custom: #4065cb;
$custom-light: #8590db;
$custom-dark: #000000;

JSON

{
  "hex": "#4065cb",
  "rgb": {
    "r": 64,
    "g": 101,
    "b": 203
  },
  "hsl": {
    "h": 224.029,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.53527,
    "c": 0.16382,
    "h": 266
  },
  "luminance": 0.14709
}

Semantic roles & 50–950 ramp

primary

#4065CB

secondary

#D2C295

accent

#B847E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4065CB

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

Preview Lab → · Contrast checker → · Palette generator →