#3F6AAF#3F6AAF

#3F6AAF is a mid, moderate blue. Relative luminance 0.145; OKLCH L 52.7% C 0.119 H 259.4°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#3F6AAF
RGB	rgb(63, 106, 175)
HSL	hsl(217, 47%, 47%)
HSV	hsv(217, 64%, 69%)
CMYK	cmyk(64%, 39.4%, 0%, 31.4%)
CIE-LAB	lab(44.88, 7.41, -41.25)
CIE-LCH	lch(44.88, 41.91, 280.18°)
OKLab	oklab(52.7% -0.0218 -0.1173)
OKLCH	oklch(52.7% 0.119 259.4)
XYZ	xyz(14.9391, 14.4586, 42.5526)
Luminance	0.1446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6AAF #AF843F

analogous

#3FA2AF #3F6AAF #4C3FAF

triadic

#3F6AAF #AF3F6A #6AAF3F

tetradic

#3F6AAF #AF3FA2 #AF843F #3FAF4C

square

#3F6AAF #AF3FA2 #AF843F #3FAF4C

split-complementary

#3F6AAF #AF4C3F #A2AF3F

monochromatic

#1F3355 #2F4F82 #3F6AAF #648AC7 #91ACD7

Accessibility & contrast

On white

5.40

#3F6AAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#3F6AAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6AAF

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6AAF	#FFFFFF	#000000	##FFFFFF
##3F6AAF	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C70B2

Deuteranopia (green-blind)

#3C65AE

Tritanopia (blue-blind)

#007A84

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3f6aaf;
/* rgb */ color: rgb(63, 106, 175);
/* oklch */ color: oklch(52.7% 0.119 259.4);

Tailwind

colors: {
  custom: {
    50: '#7f94c7',
    500: '#3f6aaf',
    950: '#000000',
  },
}

SCSS

$custom: #3f6aaf;
$custom-light: #7f94c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6aaf",
  "rgb": {
    "r": 63,
    "g": 106,
    "b": 175
  },
  "hsl": {
    "h": 216.964,
    "s": 47.059,
    "l": 46.667
  },
  "oklch": {
    "l": 0.527,
    "c": 0.11932,
    "h": 259.4
  },
  "luminance": 0.1446
}

Semantic roles & 50–950 ramp

primary

#3F6AAF

secondary

#C3AC87

accent

#A351D7

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3F6AAF

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

Preview Lab → · Contrast checker → · Palette generator →