#4055AD#4055AD

#4055AD is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.1% C 0.142 H 270.2°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#4055AD
RGB	rgb(64, 85, 173)
HSL	hsl(228, 46%, 46%)
HSV	hsv(228, 63%, 68%)
CMYK	cmyk(63%, 50.9%, 0%, 32.2%)
CIE-LAB	lab(38.90, 20.32, -49.64)
CIE-LCH	lch(38.90, 53.64, 292.26°)
OKLab	oklab(48.09% 0.0005 -0.1422)
OKLCH	oklch(48.09% 0.142 270.2)
XYZ	xyz(12.9031, 10.6030, 40.8937)
Luminance	0.1060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4055AD #AD9840

analogous

#408CAD #4055AD #6140AD

triadic

#4055AD #AD4055 #55AD40

tetradic

#4055AD #AD408C #AD9840 #40AD61

square

#4055AD #AD408C #AD9840 #40AD61

split-complementary

#4055AD #AD6140 #8CAD40

monochromatic

#1F2954 #2F3F80 #4055AD #6477C6 #919ED6

Accessibility & contrast

On white

6.73

#4055AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#4055AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4055AD

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4055AD	#FFFFFF	#000000	##FFFFFF
##4055AD	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2461B0

Deuteranopia (green-blind)

#0657AB

Tritanopia (blue-blind)

#006979

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4055ad;
/* rgb */ color: rgb(64, 85, 173);
/* oklch */ color: oklch(48.1% 0.142 270.2);

Tailwind

colors: {
  custom: {
    50: '#8084c6',
    500: '#4055ad',
    950: '#000000',
  },
}

SCSS

$custom: #4055ad;
$custom-light: #8084c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4055ad",
  "rgb": {
    "r": 64,
    "g": 85,
    "b": 173
  },
  "hsl": {
    "h": 228.44,
    "s": 45.992,
    "l": 46.471
  },
  "oklch": {
    "l": 0.48087,
    "c": 0.14219,
    "h": 270.2
  },
  "luminance": 0.10604
}

Semantic roles & 50–950 ramp

primary

#4055AD

secondary

#C2B687

accent

#BC52D6

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4055AD

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

Preview Lab → · Contrast checker → · Palette generator →