#4253C0#4253C0

#4253C0 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.2% C 0.171 H 271.9°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#4253C0
RGB	rgb(66, 83, 192)
HSL	hsl(232, 50%, 51%)
HSV	hsv(232, 66%, 75%)
CMYK	cmyk(65.6%, 56.8%, 0%, 24.7%)
CIE-LAB	lab(39.83, 28.66, -59.29)
CIE-LCH	lch(39.83, 65.86, 295.79°)
OKLab	oklab(49.24% 0.0057 -0.1706)
OKLCH	oklch(49.24% 0.171 271.9)
XYZ	xyz(14.8513, 11.1492, 51.2283)
Luminance	0.1115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4253C0 #C0AF42

analogous

#4292C0 #4253C0 #7042C0

triadic

#4253C0 #C04253 #53C042

tetradic

#4253C0 #C04292 #C0AF42 #42C070

square

#4253C0 #C04292 #C0AF42 #42C070

split-complementary

#4253C0 #C07042 #92C042

monochromatic

#222B66 #313E94 #4253C0 #707DCF #9EA7DF

Accessibility & contrast

On white

6.50

#4253C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#4253C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4253C0

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4253C0	#FFFFFF	#000000	##FFFFFF
##4253C0	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C4

Deuteranopia (green-blind)

#0058BE

Tritanopia (blue-blind)

#006D81

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4253c0;
/* rgb */ color: rgb(66, 83, 192);
/* oklch */ color: oklch(49.2% 0.171 271.9);

Tailwind

colors: {
  custom: {
    50: '#8483d4',
    500: '#4253c0',
    950: '#000000',
  },
}

SCSS

$custom: #4253c0;
$custom-light: #8483d4;
$custom-dark: #000000;

JSON

{
  "hex": "#4253c0",
  "rgb": {
    "r": 66,
    "g": 83,
    "b": 192
  },
  "hsl": {
    "h": 231.905,
    "s": 50,
    "l": 50.588
  },
  "oklch": {
    "l": 0.49241,
    "c": 0.17067,
    "h": 271.9
  },
  "luminance": 0.11151
}

Semantic roles & 50–950 ramp

primary

#4253C0

secondary

#CBC393

accent

#C74EDA

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4253C0

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

Preview Lab → · Contrast checker → · Palette generator →