#4053BF#4053BF

#4053BF is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.0% C 0.170 H 271.2°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#4053BF
RGB	rgb(64, 83, 191)
HSL	hsl(231, 50%, 50%)
HSV	hsv(231, 66%, 75%)
CMYK	cmyk(66.5%, 56.5%, 0%, 25.1%)
CIE-LAB	lab(39.64, 27.99, -59.02)
CIE-LCH	lch(39.64, 65.32, 295.37°)
OKLab	oklab(49.05% 0.0036 -0.1698)
OKLCH	oklch(49.05% 0.17 271.2)
XYZ	xyz(14.6084, 11.0367, 50.6406)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4053BF #BFAC40

analogous

#4092BF #4053BF #6D40BF

triadic

#4053BF #BF4053 #53BF40

tetradic

#4053BF #BF4092 #BFAC40 #40BF6D

square

#4053BF #BF4092 #BFAC40 #40BF6D

split-complementary

#4053BF #BF6D40 #92BF40

monochromatic

#212B63 #313F91 #4053BF #6E7CCE #9CA6DE

Accessibility & contrast

On white

6.55

#4053BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#4053BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4053BF

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4053BF	#FFFFFF	#000000	##FFFFFF
##4053BF	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C3

Deuteranopia (green-blind)

#0058BD

Tritanopia (blue-blind)

#006D81

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4053bf;
/* rgb */ color: rgb(64, 83, 191);
/* oklch */ color: oklch(49.0% 0.170 271.2);

Tailwind

colors: {
  custom: {
    50: '#8383d3',
    500: '#4053bf',
    950: '#000000',
  },
}

SCSS

$custom: #4053bf;
$custom-light: #8383d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4053bf",
  "rgb": {
    "r": 64,
    "g": 83,
    "b": 191
  },
  "hsl": {
    "h": 231.024,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.49046,
    "c": 0.16987,
    "h": 271.2
  },
  "luminance": 0.11038
}

Semantic roles & 50–950 ramp

primary

#4053BF

secondary

#CAC191

accent

#C54ED9

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4053BF

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

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