#3B5BBD#3B5BBD

#3B5BBD is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.2% C 0.159 H 266.9°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#3B5BBD
RGB	rgb(59, 91, 189)
HSL	hsl(225, 52%, 49%)
HSV	hsv(225, 69%, 74%)
CMYK	cmyk(68.8%, 51.9%, 0%, 25.9%)
CIE-LAB	lab(41.35, 21.35, -55.10)
CIE-LCH	lch(41.35, 59.09, 291.18°)
OKLab	oklab(50.22% -0.0084 -0.1583)
OKLCH	oklch(50.22% 0.159 266.9)
XYZ	xyz(14.7268, 12.0846, 49.6907)
Luminance	0.1209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5BBD #BD9D3B

analogous

#3B9CBD #3B5BBD #5C3BBD

triadic

#3B5BBD #BD3B5B #5BBD3B

tetradic

#3B5BBD #BD3B9C #BD9D3B #3BBD5C

square

#3B5BBD #BD3B9C #BD9D3B #3BBD5C

split-complementary

#3B5BBD #BD5C3B #9CBD3B

monochromatic

#1E2E60 #2C458E #3B5BBD #6680CF #95A7DE

Accessibility & contrast

On white

6.15

#3B5BBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#3B5BBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5BBD

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5BBD	#FFFFFF	#000000	##FFFFFF
##3B5BBD	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D68C0

Deuteranopia (green-blind)

#005CBB

Tritanopia (blue-blind)

#007283

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3b5bbd;
/* rgb */ color: rgb(59, 91, 189);
/* oklch */ color: oklch(50.2% 0.159 266.9);

Tailwind

colors: {
  custom: {
    50: '#8088d1',
    500: '#3b5bbd',
    950: '#000000',
  },
}

SCSS

$custom: #3b5bbd;
$custom-light: #8088d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5bbd",
  "rgb": {
    "r": 59,
    "g": 91,
    "b": 189
  },
  "hsl": {
    "h": 225.231,
    "s": 52.419,
    "l": 48.627
  },
  "oklch": {
    "l": 0.50216,
    "c": 0.15852,
    "h": 266.9
  },
  "luminance": 0.12086
}

Semantic roles & 50–950 ramp

primary

#3B5BBD

secondary

#C9BA8B

accent

#B84CDC

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3B5BBD

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

Preview Lab → · Contrast checker → · Palette generator →