#4072DD#4072DD

#4072DD is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.5% C 0.172 H 263.2°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4072DD
RGB	rgb(64, 114, 221)
HSL	hsl(221, 70%, 56%)
HSV	hsv(221, 71%, 87%)
CMYK	cmyk(71%, 48.4%, 0%, 13.3%)
CIE-LAB	lab(49.91, 19.03, -59.65)
CIE-LCH	lch(49.91, 62.61, 287.70°)
OKLab	oklab(57.47% -0.0204 -0.1712)
OKLCH	oklch(57.47% 0.172 263.2)
XYZ	xyz(21.1782, 18.3428, 70.8170)
Luminance	0.1835 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4072DD #DDAB40

analogous

#40C0DD #4072DD #5C40DD

triadic

#4072DD #DD4072 #72DD40

tetradic

#4072DD #DD40C0 #DDAB40 #40DD5C

square

#4072DD #DD40C0 #DDAB40 #40DD5C

split-complementary

#4072DD #DD5C40 #C0DD40

monochromatic

#193D8A #2254BE #4072DD #7498E6 #A8BFEF

Accessibility & contrast

On white

4.50

#4072DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#4072DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4072DD

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4072DD	#FFFFFF	#000000	##000000
##4072DD	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#367EE1

Deuteranopia (green-blind)

#0070DB

Tritanopia (blue-blind)

#008B9D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4072dd;
/* rgb */ color: rgb(64, 114, 221);
/* oklch */ color: oklch(57.5% 0.172 263.2);

Tailwind

colors: {
  custom: {
    50: '#8799e8',
    500: '#4072dd',
    950: '#000000',
  },
}

SCSS

$custom: #4072dd;
$custom-light: #8799e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4072dd",
  "rgb": {
    "r": 64,
    "g": 114,
    "b": 221
  },
  "hsl": {
    "h": 220.892,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.57468,
    "c": 0.17241,
    "h": 263.2
  },
  "luminance": 0.18345
}

Semantic roles & 50–950 ramp

primary

#4072DD

secondary

#DDC89C

accent

#B43BED

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4072DD

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

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