#4255D2#4255D2

#4255D2 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 51.1% C 0.192 H 271.2°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#4255D2
RGB	rgb(66, 85, 210)
HSL	hsl(232, 62%, 54%)
HSV	hsv(232, 69%, 82%)
CMYK	cmyk(68.6%, 59.5%, 0%, 17.6%)
CIE-LAB	lab(41.70, 33.69, -66.67)
CIE-LCH	lch(41.70, 74.70, 296.81°)
OKLab	oklab(51.06% 0.0042 -0.1922)
OKLCH	oklch(51.06% 0.192 271.2)
XYZ	xyz(17.1242, 12.3067, 62.4333)
Luminance	0.1231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4255D2 #D2BF42

analogous

#429DD2 #4255D2 #7742D2

triadic

#4255D2 #D24255 #55D242

tetradic

#4255D2 #D2429D #D2BF42 #42D277

square

#4255D2 #D2429D #D2BF42 #42D277

split-complementary

#4255D2 #D27742 #9DD242

monochromatic

#1E2A7C #293BAD #4255D2 #7381DE #A5AEEA

Accessibility & contrast

On white

6.07

#4255D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#4255D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4255D2

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4255D2	#FFFFFF	#000000	##FFFFFF
##4255D2	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D6

Deuteranopia (green-blind)

#005CD0

Tritanopia (blue-blind)

#00748B

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4255d2;
/* rgb */ color: rgb(66, 85, 210);
/* oklch */ color: oklch(51.1% 0.192 271.2);

Tailwind

colors: {
  custom: {
    50: '#8884e1',
    500: '#4255d2',
    950: '#000000',
  },
}

SCSS

$custom: #4255d2;
$custom-light: #8884e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4255d2",
  "rgb": {
    "r": 66,
    "g": 85,
    "b": 210
  },
  "hsl": {
    "h": 232.083,
    "s": 61.538,
    "l": 54.118
  },
  "oklch": {
    "l": 0.5106,
    "c": 0.1923,
    "h": 271.2
  },
  "luminance": 0.12308
}

Semantic roles & 50–950 ramp

primary

#4255D2

secondary

#D7CE99

accent

#CF43E5

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4255D2

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

Preview Lab → · Contrast checker → · Palette generator →