#3B5EB9#3B5EB9

#3B5EB9 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.5% C 0.149 H 265.5°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#3B5EB9
RGB	rgb(59, 94, 185)
HSL	hsl(223, 52%, 48%)
HSV	hsv(223, 68%, 73%)
CMYK	cmyk(68.1%, 49.2%, 0%, 27.5%)
CIE-LAB	lab(41.90, 17.96, -51.88)
CIE-LCH	lch(41.90, 54.90, 289.09°)
OKLab	oklab(50.55% -0.0116 -0.1488)
OKLCH	oklch(50.55% 0.149 265.5)
XYZ	xyz(14.5602, 12.4366, 47.5227)
Luminance	0.1244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5EB9 #B9963B

analogous

#3B9DB9 #3B5EB9 #573BB9

triadic

#3B5EB9 #B93B5E #5EB93B

tetradic

#3B5EB9 #B93B9D #B9963B #3BB957

square

#3B5EB9 #B93B9D #B9963B #3BB957

split-complementary

#3B5EB9 #B9573B #9DB93B

monochromatic

#1D2F5C #2C468B #3B5EB9 #6481CD #92A7DC

Accessibility & contrast

On white

6.02

#3B5EB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#3B5EB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5EB9

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5EB9	#FFFFFF	#000000	##FFFFFF
##3B5EB9	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C69BC

Deuteranopia (green-blind)

#065DB7

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3b5eb9;
/* rgb */ color: rgb(59, 94, 185);
/* oklch */ color: oklch(50.5% 0.149 265.5);

Tailwind

colors: {
  custom: {
    50: '#7f8bcf',
    500: '#3b5eb9',
    950: '#000000',
  },
}

SCSS

$custom: #3b5eb9;
$custom-light: #7f8bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5eb9",
  "rgb": {
    "r": 59,
    "g": 94,
    "b": 185
  },
  "hsl": {
    "h": 223.333,
    "s": 51.639,
    "l": 47.843
  },
  "oklch": {
    "l": 0.50549,
    "c": 0.14921,
    "h": 265.5
  },
  "luminance": 0.12438
}

Semantic roles & 50–950 ramp

primary

#3B5EB9

secondary

#C7B688

accent

#B44DDB

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3B5EB9

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

Preview Lab → · Contrast checker → · Palette generator →