#4056AB#4056AB

#4056AB is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.2% C 0.138 H 269.7°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#4056AB
RGB	rgb(64, 86, 171)
HSL	hsl(228, 46%, 46%)
HSV	hsv(228, 63%, 67%)
CMYK	cmyk(62.6%, 49.7%, 0%, 32.9%)
CIE-LAB	lab(39.04, 18.96, -48.23)
CIE-LCH	lch(39.04, 51.82, 291.46°)
OKLab	oklab(48.15% -0.0008 -0.138)
OKLCH	oklch(48.15% 0.138 269.7)
XYZ	xyz(12.7903, 10.6848, 39.9085)
Luminance	0.1069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4056AB #AB9540

analogous

#408BAB #4056AB #5F40AB

triadic

#4056AB #AB4056 #56AB40

tetradic

#4056AB #AB408B #AB9540 #40AB5F

square

#4056AB #AB408B #AB9540 #40AB5F

split-complementary

#4056AB #AB5F40 #8BAB40

monochromatic

#1F2952 #2F407E #4056AB #6377C5 #909ED5

Accessibility & contrast

On white

6.69

#4056AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#4056AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4056AB

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4056AB	#FFFFFF	#000000	##FFFFFF
##4056AB	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2961AE

Deuteranopia (green-blind)

#1257A9

Tritanopia (blue-blind)

#006A78

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4056ab;
/* rgb */ color: rgb(64, 86, 171);
/* oklch */ color: oklch(48.2% 0.138 269.7);

Tailwind

colors: {
  custom: {
    50: '#7f85c4',
    500: '#4056ab',
    950: '#000000',
  },
}

SCSS

$custom: #4056ab;
$custom-light: #7f85c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4056ab",
  "rgb": {
    "r": 64,
    "g": 86,
    "b": 171
  },
  "hsl": {
    "h": 227.664,
    "s": 45.532,
    "l": 46.078
  },
  "oklch": {
    "l": 0.48152,
    "c": 0.13803,
    "h": 269.7
  },
  "luminance": 0.10686
}

Semantic roles & 50–950 ramp

primary

#4056AB

secondary

#C1B586

accent

#BA53D5

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4056AB

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

Preview Lab → · Contrast checker → · Palette generator →