#4055DF#4055DF

#4055DF is a mid, highly saturated blue. Relative luminance 0.129; OKLCH L 52.0% C 0.210 H 270.5°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#4055DF
RGB	rgb(64, 85, 223)
HSL	hsl(232, 71%, 56%)
HSV	hsv(232, 71%, 87%)
CMYK	cmyk(71.3%, 61.9%, 0%, 12.5%)
CIE-LAB	lab(42.63, 37.97, -72.59)
CIE-LCH	lch(42.63, 81.92, 297.61°)
OKLab	oklab(52.04% 0.0019 -0.2097)
OKLCH	oklch(52.04% 0.21 270.5)
XYZ	xyz(18.6776, 12.9128, 71.3058)
Luminance	0.1291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4055DF #DFCA40

analogous

#40A5DF #4055DF #7B40DF

triadic

#4055DF #DF4055 #55DF40

tetradic

#4055DF #DF40A5 #DFCA40 #40DF7B

square

#4055DF #DF40A5 #DFCA40 #40DF7B

split-complementary

#4055DF #DF7B40 #A5DF40

monochromatic

#18278D #2036C1 #4055DF #7484E8 #A9B2F1

Accessibility & contrast

On white

5.86

#4055DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#4055DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4055DF

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4055DF	#FFFFFF	#000000	##FFFFFF
##4055DF	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE3

Deuteranopia (green-blind)

#005DDC

Tritanopia (blue-blind)

#007892

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4055df;
/* rgb */ color: rgb(64, 85, 223);
/* oklch */ color: oklch(52.0% 0.210 270.5);

Tailwind

colors: {
  custom: {
    50: '#8a85ea',
    500: '#4055df',
    950: '#000000',
  },
}

SCSS

$custom: #4055df;
$custom-light: #8a85ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4055df",
  "rgb": {
    "r": 64,
    "g": 85,
    "b": 223
  },
  "hsl": {
    "h": 232.075,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.52044,
    "c": 0.20967,
    "h": 270.5
  },
  "luminance": 0.12915
}

Semantic roles & 50–950 ramp

primary

#4055DF

secondary

#DED59D

accent

#D63AEE

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4055DF

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

Preview Lab → · Contrast checker → · Palette generator →