#4071D3#4071D3

#4071D3 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.6% C 0.160 H 262.5°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4071D3
RGB	rgb(64, 113, 211)
HSL	hsl(220, 63%, 54%)
HSV	hsv(220, 70%, 83%)
CMYK	cmyk(69.7%, 46.4%, 0%, 17.3%)
CIE-LAB	lab(49.01, 16.06, -55.42)
CIE-LCH	lch(49.01, 57.70, 286.16°)
OKLab	oklab(56.58% -0.021 -0.1588)
OKLCH	oklch(56.58% 0.16 262.5)
XYZ	xyz(19.7732, 17.6013, 63.9707)
Luminance	0.1760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4071D3 #D3A240

analogous

#40BBD3 #4071D3 #5940D3

triadic

#4071D3 #D34071 #71D340

tetradic

#4071D3 #D340BB #D3A240 #40D359

square

#4071D3 #D340BB #D3A240 #40D359

split-complementary

#4071D3 #D35940 #BBD340

monochromatic

#1D3C7C #2855AE #4071D3 #7296DE #A3BBEA

Accessibility & contrast

On white

4.65

#4071D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#4071D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4071D3

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4071D3	#FFFFFF	#000000	##FFFFFF
##4071D3	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E7CD7

Deuteranopia (green-blind)

#1D6ED1

Tritanopia (blue-blind)

#008898

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4071d3;
/* rgb */ color: rgb(64, 113, 211);
/* oklch */ color: oklch(56.6% 0.160 262.5);

Tailwind

colors: {
  custom: {
    50: '#8699e1',
    500: '#4071d3',
    950: '#000000',
  },
}

SCSS

$custom: #4071d3;
$custom-light: #8699e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4071d3",
  "rgb": {
    "r": 64,
    "g": 113,
    "b": 211
  },
  "hsl": {
    "h": 220,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.56577,
    "c": 0.16018,
    "h": 262.5
  },
  "luminance": 0.17603
}

Semantic roles & 50–950 ramp

primary

#4071D3

secondary

#D7C298

accent

#AF42E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4071D3

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

Preview Lab → · Contrast checker → · Palette generator →