#4065B9#4065B9

#4065B9 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.3% C 0.139 H 264.3°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#4065B9
RGB	rgb(64, 101, 185)
HSL	hsl(222, 49%, 49%)
HSV	hsv(222, 65%, 73%)
CMYK	cmyk(65.4%, 45.4%, 0%, 27.5%)
CIE-LAB	lab(44.09, 14.30, -48.36)
CIE-LCH	lch(44.09, 50.43, 286.48°)
OKLab	oklab(52.29% -0.0139 -0.1382)
OKLCH	oklch(52.29% 0.139 264.3)
XYZ	xyz(15.5219, 13.8987, 47.7542)
Luminance	0.1390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4065B9 #B99440

analogous

#40A2B9 #4065B9 #5840B9

triadic

#4065B9 #B94065 #65B940

tetradic

#4065B9 #B940A2 #B99440 #40B958

square

#4065B9 #B940A2 #B99440 #40B958

split-complementary

#4065B9 #B95840 #A2B940

monochromatic

#21335E #304C8C #4065B9 #6B88CC #98ADDB

Accessibility & contrast

On white

5.56

#4065B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#4065B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4065B9

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4065B9	#FFFFFF	#000000	##FFFFFF
##4065B9	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C6EBC

Deuteranopia (green-blind)

#2763B7

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4065b9;
/* rgb */ color: rgb(64, 101, 185);
/* oklch */ color: oklch(52.3% 0.139 264.3);

Tailwind

colors: {
  custom: {
    50: '#8190ce',
    500: '#4065b9',
    950: '#000000',
  },
}

SCSS

$custom: #4065b9;
$custom-light: #8190ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4065b9",
  "rgb": {
    "r": 64,
    "g": 101,
    "b": 185
  },
  "hsl": {
    "h": 221.653,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.52287,
    "c": 0.13889,
    "h": 264.3
  },
  "luminance": 0.139
}

Semantic roles & 50–950 ramp

primary

#4065B9

secondary

#C7B68E

accent

#AE50D8

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #4065B9

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

Preview Lab → · Contrast checker → · Palette generator →