#4254D5#4254D5

#4254D5 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 51.1% C 0.197 H 271.4°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#4254D5
RGB	rgb(66, 84, 213)
HSL	hsl(233, 64%, 55%)
HSV	hsv(233, 69%, 84%)
CMYK	cmyk(69%, 60.6%, 0%, 16.5%)
CIE-LAB	lab(41.69, 35.36, -68.41)
CIE-LCH	lch(41.69, 77.01, 297.34°)
OKLab	oklab(51.13% 0.0049 -0.1974)
OKLCH	oklch(51.13% 0.197 271.4)
XYZ	xyz(17.4233, 12.3013, 64.3941)
Luminance	0.1230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4254D5 #D5C342

analogous

#429ED5 #4254D5 #7A42D5

triadic

#4254D5 #D54254 #54D542

tetradic

#4254D5 #D5429E #D5C342 #42D57A

square

#4254D5 #D5429E #D5C342 #42D57A

split-complementary

#4254D5 #D57A42 #9ED542

monochromatic

#1C2980 #2839B2 #4254D5 #7481E0 #A6AFEB

Accessibility & contrast

On white

6.07

#4254D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#4254D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4254D5

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4254D5	#FFFFFF	#000000	##FFFFFF
##4254D5	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)

#0069D9

Deuteranopia (green-blind)

#005CD2

Tritanopia (blue-blind)

#00758C

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4254d5;
/* rgb */ color: rgb(66, 84, 213);
/* oklch */ color: oklch(51.1% 0.197 271.4);

Tailwind

colors: {
  custom: {
    50: '#8884e3',
    500: '#4254d5',
    950: '#000000',
  },
}

SCSS

$custom: #4254d5;
$custom-light: #8884e3;
$custom-dark: #000000;

JSON

{
  "hex": "#4254d5",
  "rgb": {
    "r": 66,
    "g": 84,
    "b": 213
  },
  "hsl": {
    "h": 232.653,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51128,
    "c": 0.19742,
    "h": 271.4
  },
  "luminance": 0.12303
}

Semantic roles & 50–950 ramp

primary

#4254D5

secondary

#D8D19A

accent

#D241E7

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #4254D5

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

Preview Lab → · Contrast checker → · Palette generator →