#3F69A8#3F69A8

#3F69A8 is a mid, moderate blue. Relative luminance 0.140; OKLCH L 52.1% C 0.111 H 258.3°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#3F69A8
RGB	rgb(63, 105, 168)
HSL	hsl(216, 45%, 45%)
HSV	hsv(216, 63%, 66%)
CMYK	cmyk(62.5%, 37.5%, 0%, 34.1%)
CIE-LAB	lab(44.21, 5.57, -38.21)
CIE-LCH	lch(44.21, 38.61, 278.29°)
OKLab	oklab(52.05% -0.0224 -0.1084)
OKLCH	oklch(52.05% 0.111 258.3)
XYZ	xyz(14.1669, 13.9858, 38.9911)
Luminance	0.1399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F69A8 #A87E3F

analogous

#3F9EA8 #3F69A8 #493FA8

triadic

#3F69A8 #A83F69 #69A83F

tetradic

#3F69A8 #A83F9E #A87E3F #3FA849

square

#3F69A8 #A83F9E #A87E3F #3FA849

split-complementary

#3F69A8 #A8493F #9EA83F

monochromatic

#1E314F #2E4D7B #3F69A8 #6188C4 #8DAAD4

Accessibility & contrast

On white

5.53

#3F69A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#3F69A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F69A8

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F69A8	#FFFFFF	#000000	##FFFFFF
##3F69A8	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E6EAB

Deuteranopia (green-blind)

#4064A7

Tritanopia (blue-blind)

#007780

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3f69a8;
/* rgb */ color: rgb(63, 105, 168);
/* oklch */ color: oklch(52.1% 0.111 258.3);

Tailwind

colors: {
  custom: {
    50: '#7e93c2',
    500: '#3f69a8',
    950: '#000000',
  },
}

SCSS

$custom: #3f69a8;
$custom-light: #7e93c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f69a8",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 168
  },
  "hsl": {
    "h": 216,
    "s": 45.455,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52055,
    "c": 0.11071,
    "h": 258.3
  },
  "luminance": 0.13987
}

Semantic roles & 50–950 ramp

primary

#3F69A8

secondary

#BFA784

accent

#A153D5

background

#F8F9FB

surface

#EFF1F7

border

#CACBD0

text

#0B0D12

muted

#7C7E81

Preview Lab

Preview with #3F69A8

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

Preview Lab → · Contrast checker → · Palette generator →