#3B5EBF#3B5EBF

#3B5EBF is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.0% C 0.158 H 266.0°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#3B5EBF
RGB	rgb(59, 94, 191)
HSL	hsl(224, 53%, 49%)
HSV	hsv(224, 69%, 75%)
CMYK	cmyk(69.1%, 50.8%, 0%, 25.1%)
CIE-LAB	lab(42.30, 20.14, -54.73)
CIE-LCH	lch(42.30, 58.32, 290.21°)
OKLab	oklab(50.98% -0.0109 -0.1572)
OKLCH	oklch(50.98% 0.158 266)
XYZ	xyz(15.2070, 12.6953, 50.9291)
Luminance	0.1270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5EBF #BF9C3B

analogous

#3BA0BF #3B5EBF #5A3BBF

triadic

#3B5EBF #BF3B5E #5EBF3B

tetradic

#3B5EBF #BF3BA0 #BF9C3B #3BBF5A

square

#3B5EBF #BF3BA0 #BF9C3B #3BBF5A

split-complementary

#3B5EBF #BF5A3B #A0BF3B

monochromatic

#1E3061 #2D4790 #3B5EBF #6783D0 #96A9DF

Accessibility & contrast

On white

5.93

#3B5EBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#3B5EBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5EBF

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5EBF	#FFFFFF	#000000	##FFFFFF
##3B5EBF	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#246AC2

Deuteranopia (green-blind)

#005EBD

Tritanopia (blue-blind)

#007585

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3b5ebf;
/* rgb */ color: rgb(59, 94, 191);
/* oklch */ color: oklch(51.0% 0.158 266.0);

Tailwind

colors: {
  custom: {
    50: '#808bd3',
    500: '#3b5ebf',
    950: '#000000',
  },
}

SCSS

$custom: #3b5ebf;
$custom-light: #808bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5ebf",
  "rgb": {
    "r": 59,
    "g": 94,
    "b": 191
  },
  "hsl": {
    "h": 224.091,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.5098,
    "c": 0.15754,
    "h": 266
  },
  "luminance": 0.12697
}

Semantic roles & 50–950 ramp

primary

#3B5EBF

secondary

#CABA8C

accent

#B64CDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3B5EBF

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

Preview Lab → · Contrast checker → · Palette generator →