#3F67AA#3F67AA

#3F67AA is a mid, moderate blue. Relative luminance 0.137; OKLCH L 51.7% C 0.116 H 260.2°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#3F67AA
RGB	rgb(63, 103, 170)
HSL	hsl(218, 46%, 46%)
HSV	hsv(218, 63%, 67%)
CMYK	cmyk(62.9%, 39.4%, 0%, 33.3%)
CIE-LAB	lab(43.74, 7.52, -40.14)
CIE-LCH	lch(43.74, 40.84, 280.62°)
OKLab	oklab(51.72% -0.0198 -0.1141)
OKLCH	oklch(51.72% 0.116 260.2)
XYZ	xyz(14.1533, 13.6582, 39.9129)
Luminance	0.1366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F67AA #AA823F

analogous

#3F9CAA #3F67AA #4C3FAA

triadic

#3F67AA #AA3F67 #67AA3F

tetradic

#3F67AA #AA3F9C #AA823F #3FAA4C

square

#3F67AA #AA3F9C #AA823F #3FAA4C

split-complementary

#3F67AA #AA4C3F #9CAA3F

monochromatic

#1E3151 #2E4C7D #3F67AA #6287C5 #8EA9D5

Accessibility & contrast

On white

5.63

#3F67AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#3F67AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F67AA

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F67AA	#FFFFFF	#000000	##FFFFFF
##3F67AA	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A6DAD

Deuteranopia (green-blind)

#3B63A9

Tritanopia (blue-blind)

#007680

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3f67aa;
/* rgb */ color: rgb(63, 103, 170);
/* oklch */ color: oklch(51.7% 0.116 260.2);

Tailwind

colors: {
  custom: {
    50: '#7e92c3',
    500: '#3f67aa',
    950: '#000000',
  },
}

SCSS

$custom: #3f67aa;
$custom-light: #7e92c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f67aa",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 170
  },
  "hsl": {
    "h": 217.57,
    "s": 45.923,
    "l": 45.686
  },
  "oklch": {
    "l": 0.51723,
    "c": 0.11578,
    "h": 260.2
  },
  "luminance": 0.1366
}

Semantic roles & 50–950 ramp

primary

#3F67AA

secondary

#C0AA85

accent

#A452D6

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C12

muted

#7C7D81

Preview Lab

Preview with #3F67AA

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

Preview Lab → · Contrast checker → · Palette generator →