#3F69A7#3F69A7

#3F69A7 is a mid, moderate blue. Relative luminance 0.140; OKLCH L 52.0% C 0.109 H 258.0°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#3F69A7
RGB	rgb(63, 105, 167)
HSL	hsl(216, 45%, 45%)
HSV	hsv(216, 62%, 65%)
CMYK	cmyk(62.3%, 37.1%, 0%, 34.5%)
CIE-LAB	lab(44.16, 5.22, -37.71)
CIE-LCH	lch(44.16, 38.07, 277.88°)
OKLab	oklab(52% -0.0227 -0.1069)
OKLCH	oklch(52% 0.109 258)
XYZ	xyz(14.0741, 13.9487, 38.5024)
Luminance	0.1395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F69A7 #A77D3F

analogous

#3F9DA7 #3F69A7 #493FA7

triadic

#3F69A7 #A73F69 #69A73F

tetradic

#3F69A7 #A73F9D #A77D3F #3FA749

square

#3F69A7 #A73F9D #A77D3F #3FA749

split-complementary

#3F69A7 #A7493F #9DA73F

monochromatic

#1D314E #2E4D7B #3F69A7 #6088C3 #8DA9D4

Accessibility & contrast

On white

5.54

#3F69A7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#3F69A7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F69A7

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F69A7	#FFFFFF	#000000	##FFFFFF
##3F69A7	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E6EAA

Deuteranopia (green-blind)

#4064A6

Tritanopia (blue-blind)

#007780

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3f69a7;
/* rgb */ color: rgb(63, 105, 167);
/* oklch */ color: oklch(52.0% 0.109 258.0);

Tailwind

colors: {
  custom: {
    50: '#7e93c1',
    500: '#3f69a7',
    950: '#000000',
  },
}

SCSS

$custom: #3f69a7;
$custom-light: #7e93c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f69a7",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 167
  },
  "hsl": {
    "h": 215.769,
    "s": 45.217,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51996,
    "c": 0.10932,
    "h": 258
  },
  "luminance": 0.1395
}

Semantic roles & 50–950 ramp

primary

#3F69A7

secondary

#BFA783

accent

#A053D5

background

#F8F9FB

surface

#EFF1F7

border

#CACBD0

text

#0B0D12

muted

#7C7E81

Preview Lab

Preview with #3F69A7

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

Preview Lab → · Contrast checker → · Palette generator →