#4055BD#4055BD

#4055BD is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.3% C 0.165 H 270.6°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#4055BD
RGB	rgb(64, 85, 189)
HSL	hsl(230, 49%, 50%)
HSV	hsv(230, 66%, 74%)
CMYK	cmyk(66.1%, 55%, 0%, 25.9%)
CIE-LAB	lab(40.01, 26.00, -57.25)
CIE-LCH	lch(40.01, 62.88, 294.42°)
OKLab	oklab(49.28% 0.0017 -0.1646)
OKLCH	oklch(49.28% 0.165 270.6)
XYZ	xyz(14.5451, 11.2598, 49.5411)
Luminance	0.1126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4055BD #BDA840

analogous

#4094BD #4055BD #6A40BD

triadic

#4055BD #BD4055 #55BD40

tetradic

#4055BD #BD4094 #BDA840 #40BD6A

square

#4055BD #BD4094 #BDA840 #40BD6A

split-complementary

#4055BD #BD6A40 #94BD40

monochromatic

#212C62 #31408F #4055BD #6D7DCD #9AA6DD

Accessibility & contrast

On white

6.46

#4055BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#4055BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4055BD

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4055BD	#FFFFFF	#000000	##FFFFFF
##4055BD	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C1

Deuteranopia (green-blind)

#0059BB

Tritanopia (blue-blind)

#006E81

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4055bd;
/* rgb */ color: rgb(64, 85, 189);
/* oklch */ color: oklch(49.3% 0.165 270.6);

Tailwind

colors: {
  custom: {
    50: '#8384d2',
    500: '#4055bd',
    950: '#000000',
  },
}

SCSS

$custom: #4055bd;
$custom-light: #8384d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4055bd",
  "rgb": {
    "r": 64,
    "g": 85,
    "b": 189
  },
  "hsl": {
    "h": 229.92,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.49279,
    "c": 0.1646,
    "h": 270.6
  },
  "luminance": 0.11261
}

Semantic roles & 50–950 ramp

primary

#4055BD

secondary

#C9BF90

accent

#C24FD9

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4055BD

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

Preview Lab → · Contrast checker → · Palette generator →