#3B5FCF#3B5FCF

#3B5FCF is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.4% C 0.178 H 266.7°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#3B5FCF
RGB	rgb(59, 95, 207)
HSL	hsl(225, 61%, 52%)
HSV	hsv(225, 71%, 81%)
CMYK	cmyk(71.5%, 54.1%, 0%, 18.8%)
CIE-LAB	lab(43.68, 25.33, -61.75)
CIE-LCH	lch(43.68, 66.74, 292.30°)
OKLab	oklab(52.38% -0.0103 -0.1778)
OKLCH	oklch(52.38% 0.178 266.7)
XYZ	xyz(17.1544, 13.6174, 60.7437)
Luminance	0.1362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5FCF #CFAB3B

analogous

#3BA9CF #3B5FCF #613BCF

triadic

#3B5FCF #CF3B5F #5FCF3B

tetradic

#3B5FCF #CF3BA9 #CFAB3B #3BCF61

square

#3B5FCF #CF3BA9 #CFAB3B #3BCF61

split-complementary

#3B5FCF #CF613B #A9CF3B

monochromatic

#1C3173 #2847A5 #3B5FCF #6C87DB #9DAFE7

Accessibility & contrast

On white

5.64

#3B5FCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#3B5FCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5FCF

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5FCF	#FFFFFF	#000000	##FFFFFF
##3B5FCF	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED3

Deuteranopia (green-blind)

#0061CD

Tritanopia (blue-blind)

#007A8E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3b5fcf;
/* rgb */ color: rgb(59, 95, 207);
/* oklch */ color: oklch(52.4% 0.178 266.7);

Tailwind

colors: {
  custom: {
    50: '#848bde',
    500: '#3b5fcf',
    950: '#000000',
  },
}

SCSS

$custom: #3b5fcf;
$custom-light: #848bde;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5fcf",
  "rgb": {
    "r": 59,
    "g": 95,
    "b": 207
  },
  "hsl": {
    "h": 225.405,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.52377,
    "c": 0.17809,
    "h": 266.7
  },
  "luminance": 0.13619
}

Semantic roles & 50–950 ramp

primary

#3B5FCF

secondary

#D3C393

accent

#BD44E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3B5FCF

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

Preview Lab → · Contrast checker → · Palette generator →