#4053CB#4053CB

#4053CB is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.0% C 0.186 H 271.1°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#4053CB
RGB	rgb(64, 83, 203)
HSL	hsl(232, 57%, 52%)
HSV	hsv(232, 68%, 80%)
CMYK	cmyk(68.5%, 59.1%, 0%, 20.4%)
CIE-LAB	lab(40.55, 32.22, -64.51)
CIE-LCH	lch(40.55, 72.11, 296.54°)
OKLab	oklab(50.01% 0.0037 -0.186)
OKLCH	oklch(50.01% 0.186 271.1)
XYZ	xyz(15.9835, 11.5868, 57.8825)
Luminance	0.1159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4053CB #CBB840

analogous

#4098CB #4053CB #7340CB

triadic

#4053CB #CB4053 #53CB40

tetradic

#4053CB #CB4098 #CBB840 #40CB73

square

#4053CB #CB4098 #CBB840 #40CB73

split-complementary

#4053CB #CB7340 #98CB40

monochromatic

#1F2A72 #2C3CA2 #4053CB #707ED8 #A0AAE5

Accessibility & contrast

On white

6.33

#4053CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#4053CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4053CB

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4053CB	#FFFFFF	#000000	##FFFFFF
##4053CB	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CF

Deuteranopia (green-blind)

#0059C9

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4053cb;
/* rgb */ color: rgb(64, 83, 203);
/* oklch */ color: oklch(50.0% 0.186 271.1);

Tailwind

colors: {
  custom: {
    50: '#8683dc',
    500: '#4053cb',
    950: '#000000',
  },
}

SCSS

$custom: #4053cb;
$custom-light: #8683dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4053cb",
  "rgb": {
    "r": 64,
    "g": 83,
    "b": 203
  },
  "hsl": {
    "h": 231.799,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.50009,
    "c": 0.18601,
    "h": 271.1
  },
  "luminance": 0.11588
}

Semantic roles & 50–950 ramp

primary

#4053CB

secondary

#D2C995

accent

#CC47E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #4053CB

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

Preview Lab → · Contrast checker → · Palette generator →