#3B5BC9#3B5BC9

#3B5BC9 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.1% C 0.175 H 267.5°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#3B5BC9
RGB	rgb(59, 91, 201)
HSL	hsl(226, 57%, 51%)
HSV	hsv(226, 71%, 79%)
CMYK	cmyk(70.6%, 54.7%, 0%, 21.2%)
CIE-LAB	lab(42.20, 25.71, -60.70)
CIE-LCH	lch(42.20, 65.92, 292.96°)
OKLab	oklab(51.12% -0.0075 -0.1747)
OKLCH	oklch(51.12% 0.175 267.5)
XYZ	xyz(16.0837, 12.6274, 56.8367)
Luminance	0.1263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5BC9 #C9A93B

analogous

#3BA2C9 #3B5BC9 #623BC9

triadic

#3B5BC9 #C93B5B #5BC93B

tetradic

#3B5BC9 #C93BA2 #C9A93B #3BC962

square

#3B5BC9 #C93BA2 #C9A93B #3BC962

split-complementary

#3B5BC9 #C9623B #A2C93B

monochromatic

#1E2F6C #2B449C #3B5BC9 #6B83D6 #9BABE3

Accessibility & contrast

On white

5.96

#3B5BC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#3B5BC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5BC9

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5BC9	#FFFFFF	#000000	##FFFFFF
##3B5BC9	1.00	5.96	3.53	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACD

Deuteranopia (green-blind)

#005DC7

Tritanopia (blue-blind)

#007689

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3b5bc9;
/* rgb */ color: rgb(59, 91, 201);
/* oklch */ color: oklch(51.1% 0.175 267.5);

Tailwind

colors: {
  custom: {
    50: '#8389da',
    500: '#3b5bc9',
    950: '#000000',
  },
}

SCSS

$custom: #3b5bc9;
$custom-light: #8389da;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5bc9",
  "rgb": {
    "r": 59,
    "g": 91,
    "b": 201
  },
  "hsl": {
    "h": 226.479,
    "s": 56.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51123,
    "c": 0.17491,
    "h": 267.5
  },
  "luminance": 0.12629
}

Semantic roles & 50–950 ramp

primary

#3B5BC9

secondary

#CFC190

accent

#BE48E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3B5BC9

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

Preview Lab → · Contrast checker → · Palette generator →