#4071BD#4071BD

#4071BD is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.2% C 0.130 H 258.9°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#4071BD
RGB	rgb(64, 113, 189)
HSL	hsl(216, 49%, 50%)
HSV	hsv(216, 66%, 74%)
CMYK	cmyk(66.1%, 40.2%, 0%, 25.9%)
CIE-LAB	lab(47.72, 8.18, -44.88)
CIE-LCH	lch(47.72, 45.62, 280.33°)
OKLab	oklab(55.16% -0.0251 -0.1278)
OKLCH	oklch(55.16% 0.13 258.9)
XYZ	xyz(17.2015, 16.5727, 50.4266)
Luminance	0.1657 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4071BD #BD8C40

analogous

#40B0BD #4071BD #4E40BD

triadic

#4071BD #BD4071 #71BD40

tetradic

#4071BD #BD40B0 #BD8C40 #40BD4E

square

#4071BD #BD40B0 #BD8C40 #40BD4E

split-complementary

#4071BD #BD4E40 #B0BD40

monochromatic

#213A62 #31568F #4071BD #6D93CD #9AB5DD

Accessibility & contrast

On white

4.87

#4071BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#4071BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4071BD

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4071BD	#FFFFFF	#000000	##FFFFFF
##4071BD	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F78C0

Deuteranopia (green-blind)

#3C6CBB

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4071bd;
/* rgb */ color: rgb(64, 113, 189);
/* oklch */ color: oklch(55.2% 0.130 258.9);

Tailwind

colors: {
  custom: {
    50: '#8299d1',
    500: '#4071bd',
    950: '#000000',
  },
}

SCSS

$custom: #4071bd;
$custom-light: #8299d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4071bd",
  "rgb": {
    "r": 64,
    "g": 113,
    "b": 189
  },
  "hsl": {
    "h": 216.48,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55163,
    "c": 0.13027,
    "h": 258.9
  },
  "luminance": 0.16574
}

Semantic roles & 50–950 ramp

primary

#4071BD

secondary

#C9B390

accent

#A34FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #4071BD

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

Preview Lab → · Contrast checker → · Palette generator →