#3B5DA4#3B5DA4

#3B5DA4 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.9% C 0.121 H 263.3°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#3B5DA4
RGB	rgb(59, 93, 164)
HSL	hsl(221, 47%, 44%)
HSV	hsv(221, 64%, 64%)
CMYK	cmyk(64%, 43.3%, 0%, 35.7%)
CIE-LAB	lab(40.31, 10.99, -42.06)
CIE-LCH	lch(40.31, 43.48, 284.65°)
OKLab	oklab(48.91% -0.014 -0.1199)
OKLCH	oklch(48.91% 0.121 263.3)
XYZ	xyz(12.4165, 11.4377, 36.6681)
Luminance	0.1144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5DA4 #A4823B

analogous

#3B91A4 #3B5DA4 #4D3BA4

triadic

#3B5DA4 #A43B5D #5DA43B

tetradic

#3B5DA4 #A43B91 #A4823B #3BA44D

square

#3B5DA4 #A43B91 #A4823B #3BA44D

split-complementary

#3B5DA4 #A44D3B #91A43B

monochromatic

#1B2A4A #2B4377 #3B5DA4 #597BC3 #869FD3

Accessibility & contrast

On white

6.39

#3B5DA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#3B5DA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5DA4

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5DA4	#FFFFFF	#000000	##FFFFFF
##3B5DA4	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C64A7

Deuteranopia (green-blind)

#2C5BA3

Tritanopia (blue-blind)

#006D78

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3b5da4;
/* rgb */ color: rgb(59, 93, 164);
/* oklch */ color: oklch(48.9% 0.121 263.3);

Tailwind

colors: {
  custom: {
    50: '#7b8abf',
    500: '#3b5da4',
    950: '#000000',
  },
}

SCSS

$custom: #3b5da4;
$custom-light: #7b8abf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5da4",
  "rgb": {
    "r": 59,
    "g": 93,
    "b": 164
  },
  "hsl": {
    "h": 220.571,
    "s": 47.085,
    "l": 43.725
  },
  "oklch": {
    "l": 0.48905,
    "c": 0.12074,
    "h": 263.3
  },
  "luminance": 0.11439
}

Semantic roles & 50–950 ramp

primary

#3B5DA4

secondary

#BEA97D

accent

#AB51D7

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3B5DA4

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

Preview Lab → · Contrast checker → · Palette generator →