#4052CC#4052CC

#4052CC is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.9% C 0.189 H 271.4°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#4052CC
RGB	rgb(64, 82, 204)
HSL	hsl(232, 58%, 53%)
HSV	hsv(232, 69%, 80%)
CMYK	cmyk(68.6%, 59.8%, 0%, 20%)
CIE-LAB	lab(40.38, 33.21, -65.37)
CIE-LCH	lch(40.38, 73.32, 296.93°)
OKLab	oklab(49.91% 0.0045 -0.1885)
OKLCH	oklch(49.91% 0.189 271.4)
XYZ	xyz(16.0270, 11.4827, 58.4868)
Luminance	0.1148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4052CC #CCBA40

analogous

#4098CC #4052CC #7440CC

triadic

#4052CC #CC4052 #52CC40

tetradic

#4052CC #CC4098 #CCBA40 #40CC74

square

#4052CC #CC4098 #CCBA40 #40CC74

split-complementary

#4052CC #CC7440 #98CC40

monochromatic

#1F2A73 #2C3BA3 #4052CC #707ED9 #A1AAE6

Accessibility & contrast

On white

6.37

#4052CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#4052CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4052CC

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4052CC	#FFFFFF	#000000	##FFFFFF
##4052CC	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D0

Deuteranopia (green-blind)

#0059CA

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4052cc;
/* rgb */ color: rgb(64, 82, 204);
/* oklch */ color: oklch(49.9% 0.189 271.4);

Tailwind

colors: {
  custom: {
    50: '#8682dc',
    500: '#4052cc',
    950: '#000000',
  },
}

SCSS

$custom: #4052cc;
$custom-light: #8682dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4052cc",
  "rgb": {
    "r": 64,
    "g": 82,
    "b": 204
  },
  "hsl": {
    "h": 232.286,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.49908,
    "c": 0.18854,
    "h": 271.4
  },
  "luminance": 0.11484
}

Semantic roles & 50–950 ramp

primary

#4052CC

secondary

#D2CA95

accent

#CD47E1

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #4052CC

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

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