#4071BE#4071BE

#4071BE is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.2% C 0.132 H 259.1°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#4071BE
RGB	rgb(64, 113, 190)
HSL	hsl(217, 50%, 50%)
HSV	hsv(217, 66%, 75%)
CMYK	cmyk(66.3%, 40.5%, 0%, 25.5%)
CIE-LAB	lab(47.77, 8.53, -45.37)
CIE-LCH	lch(47.77, 46.17, 280.65°)
OKLab	oklab(55.22% -0.0249 -0.1293)
OKLCH	oklch(55.22% 0.132 259.1)
XYZ	xyz(17.3104, 16.6162, 51.0002)
Luminance	0.1662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4071BE #BE8D40

analogous

#40B0BE #4071BE #4E40BE

triadic

#4071BE #BE4071 #71BE40

tetradic

#4071BE #BE40B0 #BE8D40 #40BE4E

square

#4071BE #BE40B0 #BE8D40 #40BE4E

split-complementary

#4071BE #BE4E40 #B0BE40

monochromatic

#213B62 #315690 #4071BE #6D93CE #9BB5DD

Accessibility & contrast

On white

4.86

#4071BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#4071BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4071BE

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4071BE	#FFFFFF	#000000	##FFFFFF
##4071BE	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E78C1

Deuteranopia (green-blind)

#3B6CBC

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4071be;
/* rgb */ color: rgb(64, 113, 190);
/* oklch */ color: oklch(55.2% 0.132 259.1);

Tailwind

colors: {
  custom: {
    50: '#8299d2',
    500: '#4071be',
    950: '#000000',
  },
}

SCSS

$custom: #4071be;
$custom-light: #8299d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4071be",
  "rgb": {
    "r": 64,
    "g": 113,
    "b": 190
  },
  "hsl": {
    "h": 216.667,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55224,
    "c": 0.13163,
    "h": 259.1
  },
  "luminance": 0.16618
}

Semantic roles & 50–950 ramp

primary

#4071BE

secondary

#C9B390

accent

#A34FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #4071BE

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

Preview Lab → · Contrast checker → · Palette generator →