#4253AA#4253AA

#4253AA is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.6% C 0.140 H 271.8°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#4253AA
RGB	rgb(66, 83, 170)
HSL	hsl(230, 44%, 46%)
HSV	hsv(230, 61%, 67%)
CMYK	cmyk(61.2%, 51.2%, 0%, 33.3%)
CIE-LAB	lab(38.28, 20.93, -48.86)
CIE-LCH	lch(38.28, 53.15, 293.19°)
OKLab	oklab(47.58% 0.0043 -0.1399)
OKLCH	oklch(47.58% 0.14 271.8)
XYZ	xyz(12.5933, 10.2460, 39.3365)
Luminance	0.1025 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4253AA #AA9942

analogous

#4287AA #4253AA #6542AA

triadic

#4253AA #AA4253 #53AA42

tetradic

#4253AA #AA4287 #AA9942 #42AA65

square

#4253AA #AA4287 #AA9942 #42AA65

split-complementary

#4253AA #AA6542 #87AA42

monochromatic

#202852 #313D7E #4253AA #6675C3 #929DD5

Accessibility & contrast

On white

6.89

#4253AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#4253AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4253AA

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4253AA	#FFFFFF	#000000	##FFFFFF
##4253AA	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#235FAD

Deuteranopia (green-blind)

#0956A8

Tritanopia (blue-blind)

#006776

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4253aa;
/* rgb */ color: rgb(66, 83, 170);
/* oklch */ color: oklch(47.6% 0.140 271.8);

Tailwind

colors: {
  custom: {
    50: '#8083c4',
    500: '#4253aa',
    950: '#000000',
  },
}

SCSS

$custom: #4253aa;
$custom-light: #8083c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4253aa",
  "rgb": {
    "r": 66,
    "g": 83,
    "b": 170
  },
  "hsl": {
    "h": 230.192,
    "s": 44.068,
    "l": 46.275
  },
  "oklch": {
    "l": 0.47583,
    "c": 0.13994,
    "h": 271.8
  },
  "luminance": 0.10247
}

Semantic roles & 50–950 ramp

primary

#4253AA

secondary

#C0B788

accent

#BF54D4

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4253AA

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

Preview Lab → · Contrast checker → · Palette generator →