#3B5DD9#3B5DD9

#3B5DD9 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.8% C 0.194 H 267.6°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#3B5DD9
RGB	rgb(59, 93, 217)
HSL	hsl(227, 68%, 54%)
HSV	hsv(227, 73%, 85%)
CMYK	cmyk(72.8%, 57.1%, 0%, 14.9%)
CIE-LAB	lab(43.90, 30.22, -67.12)
CIE-LCH	lch(43.90, 73.61, 294.24°)
OKLab	oklab(52.77% -0.0083 -0.1936)
OKLCH	oklch(52.77% 0.194 267.6)
XYZ	xyz(18.2380, 13.7663, 67.3282)
Luminance	0.1377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5DD9 #D9B73B

analogous

#3BACD9 #3B5DD9 #683BD9

triadic

#3B5DD9 #D93B5D #5DD93B

tetradic

#3B5DD9 #D93BAC #D9B73B #3BD968

square

#3B5DD9 #D93BAC #D9B73B #3BD968

split-complementary

#3B5DD9 #D9683B #ACD93B

monochromatic

#192F81 #2342B4 #3B5DD9 #6E87E3 #A2B2ED

Accessibility & contrast

On white

5.59

#3B5DD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#3B5DD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5DD9

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5DD9	#FFFFFF	#000000	##FFFFFF
##3B5DD9	1.00	5.59	3.75	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FDD

Deuteranopia (green-blind)

#0061D7

Tritanopia (blue-blind)

#007C92

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3b5dd9;
/* rgb */ color: rgb(59, 93, 217);
/* oklch */ color: oklch(52.8% 0.194 267.6);

Tailwind

colors: {
  custom: {
    50: '#868ae6',
    500: '#3b5dd9',
    950: '#000000',
  },
}

SCSS

$custom: #3b5dd9;
$custom-light: #868ae6;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5dd9",
  "rgb": {
    "r": 59,
    "g": 93,
    "b": 217
  },
  "hsl": {
    "h": 227.089,
    "s": 67.521,
    "l": 54.118
  },
  "oklch": {
    "l": 0.52771,
    "c": 0.19379,
    "h": 267.6
  },
  "luminance": 0.13768
}

Semantic roles & 50–950 ramp

primary

#3B5DD9

secondary

#DACB96

accent

#C53DEA

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #3B5DD9

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

Preview Lab → · Contrast checker → · Palette generator →