#4067B3#4067B3

#4067B3 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.3% C 0.128 H 262.4°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#4067B3
RGB	rgb(64, 103, 179)
HSL	hsl(220, 47%, 48%)
HSV	hsv(220, 64%, 70%)
CMYK	cmyk(64.2%, 42.5%, 0%, 29.8%)
CIE-LAB	lab(44.30, 10.90, -44.52)
CIE-LCH	lch(44.30, 45.84, 283.75°)
OKLab	oklab(52.33% -0.017 -0.1269)
OKLCH	oklch(52.33% 0.128 262.4)
XYZ	xyz(15.0984, 14.0438, 44.5541)
Luminance	0.1404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4067B3 #B38C40

analogous

#40A1B3 #4067B3 #5240B3

triadic

#4067B3 #B34067 #67B340

tetradic

#4067B3 #B340A1 #B38C40 #40B352

square

#4067B3 #B340A1 #B38C40 #40B352

split-complementary

#4067B3 #B35240 #A1B340

monochromatic

#203359 #304D86 #4067B3 #6788C9 #94ACD9

Accessibility & contrast

On white

5.51

#4067B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#4067B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4067B3

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4067B3	#FFFFFF	#000000	##FFFFFF
##4067B3	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#446EB6

Deuteranopia (green-blind)

#3364B1

Tritanopia (blue-blind)

#007884

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4067b3;
/* rgb */ color: rgb(64, 103, 179);
/* oklch */ color: oklch(52.3% 0.128 262.4);

Tailwind

colors: {
  custom: {
    50: '#8091ca',
    500: '#4067b3',
    950: '#000000',
  },
}

SCSS

$custom: #4067b3;
$custom-light: #8091ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4067b3",
  "rgb": {
    "r": 64,
    "g": 103,
    "b": 179
  },
  "hsl": {
    "h": 219.652,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.52332,
    "c": 0.12805,
    "h": 262.4
  },
  "luminance": 0.14045
}

Semantic roles & 50–950 ramp

primary

#4067B3

secondary

#C4B18A

accent

#A951D7

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4067B3

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

Preview Lab → · Contrast checker → · Palette generator →