#4065BC#4065BC

#4065BC is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.5% C 0.143 H 264.6°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#4065BC
RGB	rgb(64, 101, 188)
HSL	hsl(222, 49%, 49%)
HSV	hsv(222, 66%, 74%)
CMYK	cmyk(66%, 46.3%, 0%, 26.3%)
CIE-LAB	lab(44.27, 15.38, -49.81)
CIE-LCH	lch(44.27, 52.13, 287.16°)
OKLab	oklab(52.49% -0.0134 -0.1425)
OKLCH	oklch(52.49% 0.143 264.6)
XYZ	xyz(15.8420, 14.0267, 49.4398)
Luminance	0.1403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4065BC #BC9740

analogous

#40A3BC #4065BC #5940BC

triadic

#4065BC #BC4065 #65BC40

tetradic

#4065BC #BC40A3 #BC9740 #40BC59

square

#4065BC #BC40A3 #BC9740 #40BC59

split-complementary

#4065BC #BC5940 #A3BC40

monochromatic

#213461 #304C8E #4065BC #6C89CD #9AAEDD

Accessibility & contrast

On white

5.52

#4065BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#4065BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4065BC

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4065BC	#FFFFFF	#000000	##FFFFFF
##4065BC	1.00	5.52	3.81	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6FBF

Deuteranopia (green-blind)

#2263BA

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4065bc;
/* rgb */ color: rgb(64, 101, 188);
/* oklch */ color: oklch(52.5% 0.143 264.6);

Tailwind

colors: {
  custom: {
    50: '#8290d1',
    500: '#4065bc',
    950: '#000000',
  },
}

SCSS

$custom: #4065bc;
$custom-light: #8290d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4065bc",
  "rgb": {
    "r": 64,
    "g": 101,
    "b": 188
  },
  "hsl": {
    "h": 222.097,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.52487,
    "c": 0.14309,
    "h": 264.6
  },
  "luminance": 0.14028
}

Semantic roles & 50–950 ramp

primary

#4065BC

secondary

#C9B78F

accent

#B04FD9

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #4065BC

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

Preview Lab → · Contrast checker → · Palette generator →