#4052D3#4052D3

#4052D3 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.5% C 0.198 H 271.3°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#4052D3
RGB	rgb(64, 82, 211)
HSL	hsl(233, 63%, 54%)
HSV	hsv(233, 70%, 83%)
CMYK	cmyk(69.7%, 61.1%, 0%, 17.3%)
CIE-LAB	lab(40.94, 35.66, -68.49)
CIE-LCH	lch(40.94, 77.22, 297.50°)
OKLab	oklab(50.49% 0.0044 -0.1977)
OKLCH	oklch(50.49% 0.198 271.3)
XYZ	xyz(16.8855, 11.8261, 63.0082)
Luminance	0.1183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4052D3 #D3C140

analogous

#409CD3 #4052D3 #7840D3

triadic

#4052D3 #D34052 #52D340

tetradic

#4052D3 #D3409C #D3C140 #40D378

square

#4052D3 #D3409C #D3C140 #40D378

split-complementary

#4052D3 #D37840 #9CD340

monochromatic

#1D287C #2838AE #4052D3 #727FDE #A3ACEA

Accessibility & contrast

On white

6.24

#4052D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#4052D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4052D3

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4052D3	#FFFFFF	#000000	##FFFFFF
##4052D3	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D7

Deuteranopia (green-blind)

#005AD0

Tritanopia (blue-blind)

#00738B

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4052d3;
/* rgb */ color: rgb(64, 82, 211);
/* oklch */ color: oklch(50.5% 0.198 271.3);

Tailwind

colors: {
  custom: {
    50: '#8782e1',
    500: '#4052d3',
    950: '#000000',
  },
}

SCSS

$custom: #4052d3;
$custom-light: #8782e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4052d3",
  "rgb": {
    "r": 64,
    "g": 82,
    "b": 211
  },
  "hsl": {
    "h": 232.653,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.50493,
    "c": 0.19772,
    "h": 271.3
  },
  "luminance": 0.11828
}

Semantic roles & 50–950 ramp

primary

#4052D3

secondary

#D7CF98

accent

#D242E6

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4052D3

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

Preview Lab → · Contrast checker → · Palette generator →