#3F5EBD#3F5EBD

#3F5EBD is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.0% C 0.154 H 267.2°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F5EBD
RGB	rgb(63, 94, 189)
HSL	hsl(225, 50%, 49%)
HSV	hsv(225, 67%, 74%)
CMYK	cmyk(66.7%, 50.3%, 0%, 25.9%)
CIE-LAB	lab(42.36, 20.05, -53.46)
CIE-LCH	lch(42.36, 57.10, 290.56°)
OKLab	oklab(51.04% -0.0075 -0.1533)
OKLCH	oklch(51.04% 0.154 267.2)
XYZ	xyz(15.2347, 12.7348, 49.7894)
Luminance	0.1274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5EBD #BD9E3F

analogous

#3F9DBD #3F5EBD #5F3FBD

triadic

#3F5EBD #BD3F5E #5EBD3F

tetradic

#3F5EBD #BD3F9D #BD9E3F #3FBD5F

square

#3F5EBD #BD3F9D #BD9E3F #3FBD5F

split-complementary

#3F5EBD #BD5F3F #9DBD3F

monochromatic

#203061 #30478F #3F5EBD #6B84CE #99AADD

Accessibility & contrast

On white

5.92

#3F5EBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#3F5EBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F5EBD

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5EBD	#FFFFFF	#000000	##FFFFFF
##3F5EBD	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#286AC0

Deuteranopia (green-blind)

#005FBB

Tritanopia (blue-blind)

#007484

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3f5ebd;
/* rgb */ color: rgb(63, 94, 189);
/* oklch */ color: oklch(51.0% 0.154 267.2);

Tailwind

colors: {
  custom: {
    50: '#828bd1',
    500: '#3f5ebd',
    950: '#000000',
  },
}

SCSS

$custom: #3f5ebd;
$custom-light: #828bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5ebd",
  "rgb": {
    "r": 63,
    "g": 94,
    "b": 189
  },
  "hsl": {
    "h": 225.238,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.51037,
    "c": 0.15352,
    "h": 267.2
  },
  "luminance": 0.12736
}

Semantic roles & 50–950 ramp

primary

#3F5EBD

secondary

#C9BB8F

accent

#B74EDA

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #3F5EBD

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

Preview Lab → · Contrast checker → · Palette generator →