#4253C8#4253C8

#4253C8 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.9% C 0.181 H 271.8°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#4253C8
RGB	rgb(66, 83, 200)
HSL	hsl(232, 55%, 52%)
HSV	hsv(232, 67%, 78%)
CMYK	cmyk(67%, 58.5%, 0%, 21.6%)
CIE-LAB	lab(40.43, 31.46, -62.97)
CIE-LCH	lch(40.43, 70.39, 296.55°)
OKLab	oklab(49.88% 0.0058 -0.1814)
OKLCH	oklch(49.88% 0.181 271.8)
XYZ	xyz(15.7618, 11.5134, 56.0241)
Luminance	0.1152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4253C8 #C8B742

analogous

#4296C8 #4253C8 #7442C8

triadic

#4253C8 #C84253 #53C842

tetradic

#4253C8 #C84296 #C8B742 #42C874

square

#4253C8 #C84296 #C8B742 #42C874

split-complementary

#4253C8 #C87442 #96C842

monochromatic

#202A6F #2E3C9F #4253C8 #717ED6 #A1A9E4

Accessibility & contrast

On white

6.36

#4253C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#4253C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4253C8

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4253C8	#FFFFFF	#000000	##FFFFFF
##4253C8	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CC

Deuteranopia (green-blind)

#0059C6

Tritanopia (blue-blind)

#007085

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4253c8;
/* rgb */ color: rgb(66, 83, 200);
/* oklch */ color: oklch(49.9% 0.181 271.8);

Tailwind

colors: {
  custom: {
    50: '#8683da',
    500: '#4253c8',
    950: '#000000',
  },
}

SCSS

$custom: #4253c8;
$custom-light: #8683da;
$custom-dark: #000000;

JSON

{
  "hex": "#4253c8",
  "rgb": {
    "r": 66,
    "g": 83,
    "b": 200
  },
  "hsl": {
    "h": 232.388,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.49878,
    "c": 0.18147,
    "h": 271.8
  },
  "luminance": 0.11515
}

Semantic roles & 50–950 ramp

primary

#4253C8

secondary

#D0C996

accent

#CB4ADE

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #4253C8

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

Preview Lab → · Contrast checker → · Palette generator →