#3F52AE#3F52AE

#3F52AE is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.5% C 0.148 H 271.0°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#3F52AE
RGB	rgb(63, 82, 174)
HSL	hsl(230, 47%, 46%)
HSV	hsv(230, 64%, 68%)
CMYK	cmyk(63.8%, 52.9%, 0%, 31.8%)
CIE-LAB	lab(38.10, 22.44, -51.52)
CIE-LCH	lch(38.10, 56.20, 293.54°)
OKLab	oklab(47.49% 0.0025 -0.1478)
OKLCH	oklch(47.49% 0.148 271)
XYZ	xyz(12.7046, 10.1462, 41.3251)
Luminance	0.1015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F52AE #AE9B3F

analogous

#3F8AAE #3F52AE #643FAE

triadic

#3F52AE #AE3F52 #52AE3F

tetradic

#3F52AE #AE3F8A #AE9B3F #3FAE64

square

#3F52AE #AE3F8A #AE9B3F #3FAE64

split-complementary

#3F52AE #AE643F #8AAE3F

monochromatic

#1E2854 #2F3D81 #3F52AE #6474C7 #909DD7

Accessibility & contrast

On white

6.93

#3F52AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#3F52AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F52AE

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F52AE	#FFFFFF	#000000	##FFFFFF
##3F52AE	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#195FB1

Deuteranopia (green-blind)

#0055AC

Tritanopia (blue-blind)

#006878

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3f52ae;
/* rgb */ color: rgb(63, 82, 174);
/* oklch */ color: oklch(47.5% 0.148 271.0);

Tailwind

colors: {
  custom: {
    50: '#7f82c7',
    500: '#3f52ae',
    950: '#000000',
  },
}

SCSS

$custom: #3f52ae;
$custom-light: #7f82c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f52ae",
  "rgb": {
    "r": 63,
    "g": 82,
    "b": 174
  },
  "hsl": {
    "h": 229.73,
    "s": 46.835,
    "l": 46.471
  },
  "oklch": {
    "l": 0.47489,
    "c": 0.14782,
    "h": 271
  },
  "luminance": 0.10147
}

Semantic roles & 50–950 ramp

primary

#3F52AE

secondary

#C2B887

accent

#C051D6

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3F52AE

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

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