#4255CD#4255CD

#4255CD is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.7% C 0.186 H 271.3°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#4255CD
RGB	rgb(66, 85, 205)
HSL	hsl(232, 58%, 53%)
HSV	hsv(232, 68%, 80%)
CMYK	cmyk(67.8%, 58.5%, 0%, 19.6%)
CIE-LAB	lab(41.31, 31.94, -64.42)
CIE-LCH	lch(41.31, 71.91, 296.37°)
OKLab	oklab(50.65% 0.0042 -0.1856)
OKLCH	oklch(50.65% 0.186 271.3)
XYZ	xyz(16.5110, 12.0615, 59.2037)
Luminance	0.1206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4255CD #CDBA42

analogous

#429ACD #4255CD #7542CD

triadic

#4255CD #CD4255 #55CD42

tetradic

#4255CD #CD429A #CDBA42 #42CD75

square

#4255CD #CD429A #CDBA42 #42CD75

split-complementary

#4255CD #CD7542 #9ACD42

monochromatic

#1F2B76 #2C3DA6 #4255CD #7281DA #A3ACE7

Accessibility & contrast

On white

6.15

#4255CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#4255CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4255CD

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4255CD	#FFFFFF	#000000	##FFFFFF
##4255CD	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D1

Deuteranopia (green-blind)

#005BCB

Tritanopia (blue-blind)

#007389

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4255cd;
/* rgb */ color: rgb(66, 85, 205);
/* oklch */ color: oklch(50.7% 0.186 271.3);

Tailwind

colors: {
  custom: {
    50: '#8784dd',
    500: '#4255cd',
    950: '#000000',
  },
}

SCSS

$custom: #4255cd;
$custom-light: #8784dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4255cd",
  "rgb": {
    "r": 66,
    "g": 85,
    "b": 205
  },
  "hsl": {
    "h": 231.799,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.50653,
    "c": 0.18569,
    "h": 271.3
  },
  "luminance": 0.12063
}

Semantic roles & 50–950 ramp

primary

#4255CD

secondary

#D3CB97

accent

#CC46E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4255CD

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

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