#3F5EA3#3F5EA3

#3F5EA3 is a mid, moderate blue. Relative luminance 0.117; OKLCH L 49.3% C 0.117 H 264.3°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#3F5EA3
RGB	rgb(63, 94, 163)
HSL	hsl(221, 44%, 44%)
HSV	hsv(221, 61%, 64%)
CMYK	cmyk(61.3%, 42.3%, 0%, 36.1%)
CIE-LAB	lab(40.74, 10.77, -40.76)
CIE-LCH	lch(40.74, 42.16, 284.80°)
OKLab	oklab(49.28% -0.0115 -0.116)
OKLCH	oklch(49.28% 0.117 264.3)
XYZ	xyz(12.6612, 11.7054, 36.2354)
Luminance	0.1171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5EA3 #A3843F

analogous

#3F90A3 #3F5EA3 #523FA3

triadic

#3F5EA3 #A33F5E #5EA33F

tetradic

#3F5EA3 #A33F90 #A3843F #3FA352

square

#3F5EA3 #A33F90 #A3843F #3FA352

split-complementary

#3F5EA3 #A3523F #90A33F

monochromatic

#1D2B4B #2E4577 #3F5EA3 #5E7DC1 #8AA1D2

Accessibility & contrast

On white

6.28

#3F5EA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#3F5EA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F5EA3

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5EA3	#FFFFFF	#000000	##FFFFFF
##3F5EA3	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F65A6

Deuteranopia (green-blind)

#315CA2

Tritanopia (blue-blind)

#006D78

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3f5ea3;
/* rgb */ color: rgb(63, 94, 163);
/* oklch */ color: oklch(49.3% 0.117 264.3);

Tailwind

colors: {
  custom: {
    50: '#7d8bbf',
    500: '#3f5ea3',
    950: '#000000',
  },
}

SCSS

$custom: #3f5ea3;
$custom-light: #7d8bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5ea3",
  "rgb": {
    "r": 63,
    "g": 94,
    "b": 163
  },
  "hsl": {
    "h": 221.4,
    "s": 44.248,
    "l": 44.314
  },
  "oklch": {
    "l": 0.49278,
    "c": 0.11659,
    "h": 264.3
  },
  "luminance": 0.11707
}

Semantic roles & 50–950 ramp

primary

#3F5EA3

secondary

#BDAA81

accent

#AC54D4

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3F5EA3

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

Preview Lab → · Contrast checker → · Palette generator →