#4252CF#4252CF

#4252CF is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.3% C 0.192 H 271.9°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#4252CF
RGB	rgb(66, 82, 207)
HSL	hsl(233, 59%, 54%)
HSV	hsv(233, 68%, 81%)
CMYK	cmyk(68.1%, 60.4%, 0%, 18.8%)
CIE-LAB	lab(40.73, 34.53, -66.53)
CIE-LCH	lch(40.73, 74.96, 297.43°)
OKLab	oklab(50.27% 0.0065 -0.1918)
OKLCH	oklch(50.27% 0.192 271.9)
XYZ	xyz(16.5228, 11.6963, 60.4062)
Luminance	0.1170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4252CF #CFBF42

analogous

#4299CF #4252CF #7842CF

triadic

#4252CF #CF4252 #52CF42

tetradic

#4252CF #CF4299 #CFBF42 #42CF78

square

#4252CF #CF4299 #CFBF42 #42CF78

split-complementary

#4252CF #CF7842 #99CF42

monochromatic

#1F2978 #2B39A9 #4252CF #737FDB #A4ABE8

Accessibility & contrast

On white

6.29

#4252CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#4252CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4252CF

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4252CF	#FFFFFF	#000000	##FFFFFF
##4252CF	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D3

Deuteranopia (green-blind)

#005ACD

Tritanopia (blue-blind)

#007189

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4252cf;
/* rgb */ color: rgb(66, 82, 207);
/* oklch */ color: oklch(50.3% 0.192 271.9);

Tailwind

colors: {
  custom: {
    50: '#8782df',
    500: '#4252cf',
    950: '#000000',
  },
}

SCSS

$custom: #4252cf;
$custom-light: #8782df;
$custom-dark: #000000;

JSON

{
  "hex": "#4252cf",
  "rgb": {
    "r": 66,
    "g": 82,
    "b": 207
  },
  "hsl": {
    "h": 233.191,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.50268,
    "c": 0.19196,
    "h": 271.9
  },
  "luminance": 0.11698
}

Semantic roles & 50–950 ramp

primary

#4252CF

secondary

#D5CE98

accent

#D145E3

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4252CF

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

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