#4255CE#4255CE

#4255CE is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.7% C 0.187 H 271.3°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#4255CE
RGB	rgb(66, 85, 206)
HSL	hsl(232, 59%, 53%)
HSV	hsv(232, 68%, 81%)
CMYK	cmyk(68%, 58.7%, 0%, 19.2%)
CIE-LAB	lab(41.39, 32.29, -64.88)
CIE-LCH	lch(41.39, 72.47, 296.46°)
OKLab	oklab(50.73% 0.0042 -0.187)
OKLCH	oklch(50.73% 0.187 271.3)
XYZ	xyz(16.6321, 12.1099, 59.8415)
Luminance	0.1211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4255CE #CEBB42

analogous

#429BCE #4255CE #7542CE

triadic

#4255CE #CE4255 #55CE42

tetradic

#4255CE #CE429B #CEBB42 #42CE75

square

#4255CE #CE429B #CEBB42 #42CE75

split-complementary

#4255CE #CE7542 #9BCE42

monochromatic

#1F2B77 #2B3CA7 #4255CE #7381DB #A3ACE7

Accessibility & contrast

On white

6.14

#4255CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#4255CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4255CE

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4255CE	#FFFFFF	#000000	##FFFFFF
##4255CE	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D2

Deuteranopia (green-blind)

#005BCC

Tritanopia (blue-blind)

#007389

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4255ce;
/* rgb */ color: rgb(66, 85, 206);
/* oklch */ color: oklch(50.7% 0.187 271.3);

Tailwind

colors: {
  custom: {
    50: '#8784de',
    500: '#4255ce',
    950: '#000000',
  },
}

SCSS

$custom: #4255ce;
$custom-light: #8784de;
$custom-dark: #000000;

JSON

{
  "hex": "#4255ce",
  "rgb": {
    "r": 66,
    "g": 85,
    "b": 206
  },
  "hsl": {
    "h": 231.857,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.50734,
    "c": 0.18702,
    "h": 271.3
  },
  "luminance": 0.12111
}

Semantic roles & 50–950 ramp

primary

#4255CE

secondary

#D4CC98

accent

#CD46E2

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4255CE

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

Preview Lab → · Contrast checker → · Palette generator →