#4073D2#4073D2

#4073D2 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.9% C 0.156 H 261.6°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4073D2
RGB	rgb(64, 115, 210)
HSL	hsl(219, 62%, 54%)
HSV	hsv(219, 70%, 82%)
CMYK	cmyk(69.5%, 45.2%, 0%, 17.6%)
CIE-LAB	lab(49.50, 14.44, -54.07)
CIE-LCH	lch(49.50, 55.96, 284.96°)
OKLab	oklab(56.93% -0.0229 -0.1548)
OKLCH	oklch(56.93% 0.156 261.6)
XYZ	xyz(19.8738, 18.0025, 63.3877)
Luminance	0.1800 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4073D2 #D29F40

analogous

#40BCD2 #4073D2 #5640D2

triadic

#4073D2 #D24073 #73D240

tetradic

#4073D2 #D240BC #D29F40 #40D256

square

#4073D2 #D240BC #D29F40 #40D256

split-complementary

#4073D2 #D25640 #BCD240

monochromatic

#1D3E7B #2957AC #4073D2 #7297DE #A3BCE9

Accessibility & contrast

On white

4.56

#4073D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#4073D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4073D2

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4073D2	#FFFFFF	#000000	##000000
##4073D2	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#437DD6

Deuteranopia (green-blind)

#266FD0

Tritanopia (blue-blind)

#008998

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4073d2;
/* rgb */ color: rgb(64, 115, 210);
/* oklch */ color: oklch(56.9% 0.156 261.6);

Tailwind

colors: {
  custom: {
    50: '#859ae0',
    500: '#4073d2',
    950: '#000000',
  },
}

SCSS

$custom: #4073d2;
$custom-light: #859ae0;
$custom-dark: #000000;

JSON

{
  "hex": "#4073d2",
  "rgb": {
    "r": 64,
    "g": 115,
    "b": 210
  },
  "hsl": {
    "h": 219.041,
    "s": 61.864,
    "l": 53.725
  },
  "oklch": {
    "l": 0.56934,
    "c": 0.15647,
    "h": 261.6
  },
  "luminance": 0.18005
}

Semantic roles & 50–950 ramp

primary

#4073D2

secondary

#D6C098

accent

#AC43E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4073D2

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

Preview Lab → · Contrast checker → · Palette generator →