#3B5FBD#3B5FBD

#3B5FBD is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.0% C 0.154 H 265.5°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#3B5FBD
RGB	rgb(59, 95, 189)
HSL	hsl(223, 52%, 49%)
HSV	hsv(223, 69%, 74%)
CMYK	cmyk(68.8%, 49.7%, 0%, 25.9%)
CIE-LAB	lab(42.44, 18.77, -53.34)
CIE-LCH	lch(42.44, 56.55, 289.39°)
OKLab	oklab(51.04% -0.012 -0.1531)
OKLCH	oklch(51.04% 0.154 265.5)
XYZ	xyz(15.0779, 12.7868, 49.8077)
Luminance	0.1279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5FBD #BD993B

analogous

#3BA0BD #3B5FBD #583BBD

triadic

#3B5FBD #BD3B5F #5FBD3B

tetradic

#3B5FBD #BD3BA0 #BD993B #3BBD58

square

#3B5FBD #BD3BA0 #BD993B #3BBD58

split-complementary

#3B5FBD #BD583B #A0BD3B

monochromatic

#1E3060 #2C488E #3B5FBD #6683CF #95A9DE

Accessibility & contrast

On white

5.90

#3B5FBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#3B5FBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5FBD

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5FBD	#FFFFFF	#000000	##FFFFFF
##3B5FBD	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A6AC0

Deuteranopia (green-blind)

#005FBB

Tritanopia (blue-blind)

#007585

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3b5fbd;
/* rgb */ color: rgb(59, 95, 189);
/* oklch */ color: oklch(51.0% 0.154 265.5);

Tailwind

colors: {
  custom: {
    50: '#808bd1',
    500: '#3b5fbd',
    950: '#000000',
  },
}

SCSS

$custom: #3b5fbd;
$custom-light: #808bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5fbd",
  "rgb": {
    "r": 59,
    "g": 95,
    "b": 189
  },
  "hsl": {
    "h": 223.385,
    "s": 52.419,
    "l": 48.627
  },
  "oklch": {
    "l": 0.51044,
    "c": 0.15353,
    "h": 265.5
  },
  "luminance": 0.12788
}

Semantic roles & 50–950 ramp

primary

#3B5FBD

secondary

#C9B88B

accent

#B44CDC

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3B5FBD

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

Preview Lab → · Contrast checker → · Palette generator →