#4071CC#4071CC

#4071CC is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.1% C 0.151 H 261.6°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#4071CC
RGB	rgb(64, 113, 204)
HSL	hsl(219, 58%, 53%)
HSV	hsv(219, 69%, 80%)
CMYK	cmyk(68.6%, 44.6%, 0%, 20%)
CIE-LAB	lab(48.58, 13.54, -52.11)
CIE-LCH	lch(48.58, 53.84, 284.56°)
OKLab	oklab(56.11% -0.0221 -0.1491)
OKLCH	oklch(56.11% 0.151 261.6)
XYZ	xyz(18.9147, 17.2580, 59.4493)
Luminance	0.1726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4071CC #CC9B40

analogous

#40B7CC #4071CC #5540CC

triadic

#4071CC #CC4071 #71CC40

tetradic

#4071CC #CC40B7 #CC9B40 #40CC55

square

#4071CC #CC40B7 #CC9B40 #40CC55

split-complementary

#4071CC #CC5540 #B7CC40

monochromatic

#1F3C73 #2C55A3 #4071CC #7095D9 #A1B9E6

Accessibility & contrast

On white

4.72

#4071CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#4071CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4071CC

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4071CC	#FFFFFF	#000000	##FFFFFF
##4071CC	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#447ACF

Deuteranopia (green-blind)

#2A6DCA

Tritanopia (blue-blind)

#008694

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4071cc;
/* rgb */ color: rgb(64, 113, 204);
/* oklch */ color: oklch(56.1% 0.151 261.6);

Tailwind

colors: {
  custom: {
    50: '#8499dc',
    500: '#4071cc',
    950: '#000000',
  },
}

SCSS

$custom: #4071cc;
$custom-light: #8499dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4071cc",
  "rgb": {
    "r": 64,
    "g": 113,
    "b": 204
  },
  "hsl": {
    "h": 219,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.56113,
    "c": 0.1507,
    "h": 261.6
  },
  "luminance": 0.1726
}

Semantic roles & 50–950 ramp

primary

#4071CC

secondary

#D2BD95

accent

#AB47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4071CC

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

Preview Lab → · Contrast checker → · Palette generator →