#4065B8#4065B8

#4065B8 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.2% C 0.137 H 264.1°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#4065B8
RGB	rgb(64, 101, 184)
HSL	hsl(222, 48%, 49%)
HSV	hsv(222, 65%, 72%)
CMYK	cmyk(65.2%, 45.1%, 0%, 27.8%)
CIE-LAB	lab(44.03, 13.95, -47.87)
CIE-LCH	lch(44.03, 49.86, 286.24°)
OKLab	oklab(52.22% -0.014 -0.1368)
OKLCH	oklch(52.22% 0.137 264.1)
XYZ	xyz(15.4167, 13.8566, 47.2002)
Luminance	0.1386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4065B8 #B89340

analogous

#40A1B8 #4065B8 #5740B8

triadic

#4065B8 #B84065 #65B840

tetradic

#4065B8 #B840A1 #B89340 #40B857

square

#4065B8 #B840A1 #B89340 #40B857

split-complementary

#4065B8 #B85740 #A1B840

monochromatic

#20335D #304C8B #4065B8 #6A88CB #97ACDB

Accessibility & contrast

On white

5.57

#4065B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#4065B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4065B8

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4065B8	#FFFFFF	#000000	##FFFFFF
##4065B8	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6EBB

Deuteranopia (green-blind)

#2863B6

Tritanopia (blue-blind)

#007885

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4065b8;
/* rgb */ color: rgb(64, 101, 184);
/* oklch */ color: oklch(52.2% 0.137 264.1);

Tailwind

colors: {
  custom: {
    50: '#8190ce',
    500: '#4065b8',
    950: '#000000',
  },
}

SCSS

$custom: #4065b8;
$custom-light: #8190ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4065b8",
  "rgb": {
    "r": 64,
    "g": 101,
    "b": 184
  },
  "hsl": {
    "h": 221.5,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.5222,
    "c": 0.13749,
    "h": 264.1
  },
  "luminance": 0.13858
}

Semantic roles & 50–950 ramp

primary

#4065B8

secondary

#C7B58D

accent

#AE50D8

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4065B8

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

Preview Lab → · Contrast checker → · Palette generator →