#3F5EA6#3F5EA6

#3F5EA6 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.5% C 0.121 H 264.8°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#3F5EA6
RGB	rgb(63, 94, 166)
HSL	hsl(222, 45%, 45%)
HSV	hsv(222, 62%, 65%)
CMYK	cmyk(62%, 43.4%, 0%, 34.9%)
CIE-LAB	lab(40.92, 11.83, -42.26)
CIE-LCH	lch(40.92, 43.89, 285.64°)
OKLab	oklab(49.47% -0.0109 -0.1204)
OKLCH	oklch(49.47% 0.121 264.8)
XYZ	xyz(12.9332, 11.8142, 37.6678)
Luminance	0.1182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5EA6 #A6873F

analogous

#3F91A6 #3F5EA6 #543FA6

triadic

#3F5EA6 #A63F5E #5EA63F

tetradic

#3F5EA6 #A63F91 #A6873F #3FA654

square

#3F5EA6 #A63F91 #A6873F #3FA654

split-complementary

#3F5EA6 #A6543F #91A63F

monochromatic

#1D2C4D #2E457A #3F5EA6 #607DC3 #8CA2D3

Accessibility & contrast

On white

6.24

#3F5EA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#3F5EA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F5EA6

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5EA6	#FFFFFF	#000000	##FFFFFF
##3F5EA6	1.00	6.24	3.36	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D66A9

Deuteranopia (green-blind)

#2E5CA4

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3f5ea6;
/* rgb */ color: rgb(63, 94, 166);
/* oklch */ color: oklch(49.5% 0.121 264.8);

Tailwind

colors: {
  custom: {
    50: '#7e8bc1',
    500: '#3f5ea6',
    950: '#000000',
  },
}

SCSS

$custom: #3f5ea6;
$custom-light: #7e8bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5ea6",
  "rgb": {
    "r": 63,
    "g": 94,
    "b": 166
  },
  "hsl": {
    "h": 221.942,
    "s": 44.978,
    "l": 44.902
  },
  "oklch": {
    "l": 0.4947,
    "c": 0.12092,
    "h": 264.8
  },
  "luminance": 0.11815
}

Semantic roles & 50–950 ramp

primary

#3F5EA6

secondary

#BEAC83

accent

#AE53D5

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #3F5EA6

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

Preview Lab → · Contrast checker → · Palette generator →