#4255C2#4255C2

#4255C2 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.8% C 0.171 H 271.3°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#4255C2
RGB	rgb(66, 85, 194)
HSL	hsl(231, 51%, 51%)
HSV	hsv(231, 66%, 76%)
CMYK	cmyk(66%, 56.2%, 0%, 23.9%)
CIE-LAB	lab(40.49, 28.08, -59.39)
CIE-LCH	lch(40.49, 65.69, 295.31°)
OKLab	oklab(49.78% 0.004 -0.1708)
OKLCH	oklch(49.78% 0.171 271.3)
XYZ	xyz(15.2296, 11.5489, 52.4550)
Luminance	0.1155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4255C2 #C2AF42

analogous

#4295C2 #4255C2 #6F42C2

triadic

#4255C2 #C24255 #55C242

tetradic

#4255C2 #C24295 #C2AF42 #42C26F

square

#4255C2 #C24295 #C2AF42 #42C26F

split-complementary

#4255C2 #C26F42 #95C242

monochromatic

#222C68 #314096 #4255C2 #707FD1 #9FA8E0

Accessibility & contrast

On white

6.34

#4255C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#4255C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4255C2

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4255C2	#FFFFFF	#000000	##FFFFFF
##4255C2	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C6

Deuteranopia (green-blind)

#005AC0

Tritanopia (blue-blind)

#006F83

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4255c2;
/* rgb */ color: rgb(66, 85, 194);
/* oklch */ color: oklch(49.8% 0.171 271.3);

Tailwind

colors: {
  custom: {
    50: '#8584d5',
    500: '#4255c2',
    950: '#000000',
  },
}

SCSS

$custom: #4255c2;
$custom-light: #8584d5;
$custom-dark: #000000;

JSON

{
  "hex": "#4255c2",
  "rgb": {
    "r": 66,
    "g": 85,
    "b": 194
  },
  "hsl": {
    "h": 231.094,
    "s": 51.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.4978,
    "c": 0.17089,
    "h": 271.3
  },
  "luminance": 0.1155
}

Semantic roles & 50–950 ramp

primary

#4255C2

secondary

#CCC494

accent

#C64DDB

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4255C2

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

Preview Lab → · Contrast checker → · Palette generator →