#3B5DCF#3B5DCF

#3B5DCF is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.0% C 0.181 H 267.2°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#3B5DCF
RGB	rgb(59, 93, 207)
HSL	hsl(226, 61%, 52%)
HSV	hsv(226, 71%, 81%)
CMYK	cmyk(71.5%, 55.1%, 0%, 18.8%)
CIE-LAB	lab(43.15, 26.61, -62.60)
CIE-LCH	lch(43.15, 68.02, 293.03°)
OKLab	oklab(51.98% -0.0087 -0.1803)
OKLCH	oklch(51.98% 0.181 267.2)
XYZ	xyz(16.9766, 13.2617, 60.6845)
Luminance	0.1326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5DCF #CFAD3B

analogous

#3BA7CF #3B5DCF #633BCF

triadic

#3B5DCF #CF3B5D #5DCF3B

tetradic

#3B5DCF #CF3BA7 #CFAD3B #3BCF63

square

#3B5DCF #CF3BA7 #CFAD3B #3BCF63

split-complementary

#3B5DCF #CF633B #A7CF3B

monochromatic

#1C3073 #2845A5 #3B5DCF #6C86DB #9DAEE7

Accessibility & contrast

On white

5.75

#3B5DCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#3B5DCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5DCF

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5DCF	#FFFFFF	#000000	##FFFFFF
##3B5DCF	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD3

Deuteranopia (green-blind)

#005FCD

Tritanopia (blue-blind)

#00798D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3b5dcf;
/* rgb */ color: rgb(59, 93, 207);
/* oklch */ color: oklch(52.0% 0.181 267.2);

Tailwind

colors: {
  custom: {
    50: '#848ade',
    500: '#3b5dcf',
    950: '#000000',
  },
}

SCSS

$custom: #3b5dcf;
$custom-light: #848ade;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5dcf",
  "rgb": {
    "r": 59,
    "g": 93,
    "b": 207
  },
  "hsl": {
    "h": 226.216,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.51982,
    "c": 0.18053,
    "h": 267.2
  },
  "luminance": 0.13264
}

Semantic roles & 50–950 ramp

primary

#3B5DCF

secondary

#D3C493

accent

#BF44E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3B5DCF

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

Preview Lab → · Contrast checker → · Palette generator →