#4052D8#4052D8

#4052D8 is a mid, highly saturated blue. Relative luminance 0.121; OKLCH L 50.9% C 0.204 H 271.2°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#4052D8
RGB	rgb(64, 82, 216)
HSL	hsl(233, 66%, 55%)
HSV	hsv(233, 70%, 85%)
CMYK	cmyk(70.4%, 62%, 0%, 15.3%)
CIE-LAB	lab(41.34, 37.40, -70.70)
CIE-LCH	lch(41.34, 79.98, 297.88°)
OKLab	oklab(50.92% 0.0042 -0.2041)
OKLCH	oklch(50.92% 0.204 271.2)
XYZ	xyz(17.5221, 12.0807, 66.3608)
Luminance	0.1208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4052D8 #D8C640

analogous

#409ED8 #4052D8 #7A40D8

triadic

#4052D8 #D84052 #52D840

tetradic

#4052D8 #D8409E #D8C640 #40D87A

square

#4052D8 #D8409E #D8C640 #40D87A

split-complementary

#4052D8 #D87A40 #9ED840

monochromatic

#1B2783 #2536B6 #4052D8 #7380E2 #A6AEED

Accessibility & contrast

On white

6.15

#4052D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#4052D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4052D8

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4052D8	#FFFFFF	#000000	##FFFFFF
##4052D8	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DC

Deuteranopia (green-blind)

#005BD5

Tritanopia (blue-blind)

#00748D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4052d8;
/* rgb */ color: rgb(64, 82, 216);
/* oklch */ color: oklch(50.9% 0.204 271.2);

Tailwind

colors: {
  custom: {
    50: '#8882e5',
    500: '#4052d8',
    950: '#000000',
  },
}

SCSS

$custom: #4052d8;
$custom-light: #8882e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4052d8",
  "rgb": {
    "r": 64,
    "g": 82,
    "b": 216
  },
  "hsl": {
    "h": 232.895,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.50918,
    "c": 0.20418,
    "h": 271.2
  },
  "luminance": 0.12082
}

Semantic roles & 50–950 ramp

primary

#4052D8

secondary

#DAD29A

accent

#D53FE9

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #4052D8

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

Preview Lab → · Contrast checker → · Palette generator →