#4252AF#4252AF

#4252AF is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.7% C 0.148 H 272.2°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#4252AF
RGB	rgb(66, 82, 175)
HSL	hsl(231, 45%, 47%)
HSV	hsv(231, 62%, 69%)
CMYK	cmyk(62.3%, 53.1%, 0%, 31.4%)
CIE-LAB	lab(38.35, 23.33, -51.70)
CIE-LCH	lch(38.35, 56.72, 294.29°)
OKLab	oklab(47.75% 0.0058 -0.1483)
OKLCH	oklch(47.75% 0.148 272.2)
XYZ	xyz(12.9993, 10.2869, 41.8497)
Luminance	0.1029 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4252AF #AF9F42

analogous

#4288AF #4252AF #6942AF

triadic

#4252AF #AF4252 #52AF42

tetradic

#4252AF #AF4288 #AF9F42 #42AF69

square

#4252AF #AF4288 #AF9F42 #42AF69

split-complementary

#4252AF #AF6942 #88AF42

monochromatic

#202856 #313D83 #4252AF #6876C6 #959ED7

Accessibility & contrast

On white

6.87

#4252AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#4252AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4252AF

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4252AF	#FFFFFF	#000000	##FFFFFF
##4252AF	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#185FB2

Deuteranopia (green-blind)

#0056AD

Tritanopia (blue-blind)

#006878

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4252af;
/* rgb */ color: rgb(66, 82, 175);
/* oklch */ color: oklch(47.7% 0.148 272.2);

Tailwind

colors: {
  custom: {
    50: '#8182c7',
    500: '#4252af',
    950: '#000000',
  },
}

SCSS

$custom: #4252af;
$custom-light: #8182c7;
$custom-dark: #000000;

JSON

{
  "hex": "#4252af",
  "rgb": {
    "r": 66,
    "g": 82,
    "b": 175
  },
  "hsl": {
    "h": 231.193,
    "s": 45.228,
    "l": 47.255
  },
  "oklch": {
    "l": 0.47746,
    "c": 0.14837,
    "h": 272.2
  },
  "luminance": 0.10288
}

Semantic roles & 50–950 ramp

primary

#4252AF

secondary

#C2BA8A

accent

#C253D5

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4252AF

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

Preview Lab → · Contrast checker → · Palette generator →