#4253AF#4253AF

#4253AF is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.9% C 0.147 H 271.9°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#4253AF
RGB	rgb(66, 83, 175)
HSL	hsl(231, 45%, 47%)
HSV	hsv(231, 62%, 69%)
CMYK	cmyk(62.3%, 52.6%, 0%, 31.4%)
CIE-LAB	lab(38.62, 22.69, -51.27)
CIE-LCH	lch(38.62, 56.07, 293.87°)
OKLab	oklab(47.95% 0.0048 -0.147)
OKLCH	oklch(47.95% 0.147 271.9)
XYZ	xyz(13.0753, 10.4388, 41.8750)
Luminance	0.1044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4253AF #AF9E42

analogous

#428AAF #4253AF #6742AF

triadic

#4253AF #AF4253 #53AF42

tetradic

#4253AF #AF428A #AF9E42 #42AF67

square

#4253AF #AF428A #AF9E42 #42AF67

split-complementary

#4253AF #AF6742 #8AAF42

monochromatic

#202956 #313E83 #4253AF #6877C6 #959FD7

Accessibility & contrast

On white

6.80

#4253AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#4253AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4253AF

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4253AF	#FFFFFF	#000000	##FFFFFF
##4253AF	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C60B2

Deuteranopia (green-blind)

#0056AD

Tritanopia (blue-blind)

#006879

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4253af;
/* rgb */ color: rgb(66, 83, 175);
/* oklch */ color: oklch(47.9% 0.147 271.9);

Tailwind

colors: {
  custom: {
    50: '#8183c7',
    500: '#4253af',
    950: '#000000',
  },
}

SCSS

$custom: #4253af;
$custom-light: #8183c7;
$custom-dark: #000000;

JSON

{
  "hex": "#4253af",
  "rgb": {
    "r": 66,
    "g": 83,
    "b": 175
  },
  "hsl": {
    "h": 230.642,
    "s": 45.228,
    "l": 47.255
  },
  "oklch": {
    "l": 0.47947,
    "c": 0.14706,
    "h": 271.9
  },
  "luminance": 0.1044
}

Semantic roles & 50–950 ramp

primary

#4253AF

secondary

#C2BA8A

accent

#C153D5

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4253AF

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

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