#4253A4#4253A4

#4253A4 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.2% C 0.131 H 271.6°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#4253A4
RGB	rgb(66, 83, 164)
HSL	hsl(230, 43%, 45%)
HSV	hsv(230, 60%, 64%)
CMYK	cmyk(59.8%, 49.4%, 0%, 35.7%)
CIE-LAB	lab(37.89, 18.83, -45.92)
CIE-LCH	lch(37.89, 49.63, 292.30°)
OKLab	oklab(47.16% 0.0037 -0.1312)
OKLCH	oklch(47.16% 0.131 271.6)
XYZ	xyz(12.0386, 10.0242, 36.4152)
Luminance	0.1003 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4253A4 #A49342

analogous

#4284A4 #4253A4 #6242A4

triadic

#4253A4 #A44253 #53A442

tetradic

#4253A4 #A44284 #A49342 #42A462

square

#4253A4 #A44284 #A49342 #42A462

split-complementary

#4253A4 #A46242 #84A442

monochromatic

#1F274D #303D78 #4253A4 #6373C0 #8F9AD2

Accessibility & contrast

On white

6.99

#4253A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#4253A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4253A4

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4253A4	#FFFFFF	#000000	##FFFFFF
##4253A4	1.00	6.99	3.01	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5EA7

Deuteranopia (green-blind)

#1955A2

Tritanopia (blue-blind)

#006573

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4253a4;
/* rgb */ color: rgb(66, 83, 164);
/* oklch */ color: oklch(47.2% 0.131 271.6);

Tailwind

colors: {
  custom: {
    50: '#7f83bf',
    500: '#4253a4',
    950: '#000000',
  },
}

SCSS

$custom: #4253a4;
$custom-light: #7f83bf;
$custom-dark: #000000;

JSON

{
  "hex": "#4253a4",
  "rgb": {
    "r": 66,
    "g": 83,
    "b": 164
  },
  "hsl": {
    "h": 229.592,
    "s": 42.609,
    "l": 45.098
  },
  "oklch": {
    "l": 0.47158,
    "c": 0.13129,
    "h": 271.6
  },
  "luminance": 0.10025
}

Semantic roles & 50–950 ramp

primary

#4253A4

secondary

#BDB385

accent

#BD55D2

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #4253A4

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

Preview Lab → · Contrast checker → · Palette generator →