#3B5DBD#3B5DBD

#3B5DBD is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.6% C 0.156 H 266.2°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#3B5DBD
RGB	rgb(59, 93, 189)
HSL	hsl(224, 52%, 49%)
HSV	hsv(224, 69%, 74%)
CMYK	cmyk(68.8%, 50.8%, 0%, 25.9%)
CIE-LAB	lab(41.89, 20.06, -54.22)
CIE-LCH	lch(41.89, 57.82, 290.30°)
OKLab	oklab(50.63% -0.0102 -0.1557)
OKLCH	oklch(50.63% 0.156 266.2)
XYZ	xyz(14.9001, 12.4312, 49.7485)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5DBD #BD9B3B

analogous

#3B9EBD #3B5DBD #5A3BBD

triadic

#3B5DBD #BD3B5D #5DBD3B

tetradic

#3B5DBD #BD3B9E #BD9B3B #3BBD5A

square

#3B5DBD #BD3B9E #BD9B3B #3BBD5A

split-complementary

#3B5DBD #BD5A3B #9EBD3B

monochromatic

#1E2F60 #2C468E #3B5DBD #6681CF #95A8DE

Accessibility & contrast

On white

6.02

#3B5DBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#3B5DBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5DBD

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5DBD	#FFFFFF	#000000	##FFFFFF
##3B5DBD	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2469C0

Deuteranopia (green-blind)

#005DBB

Tritanopia (blue-blind)

#007484

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3b5dbd;
/* rgb */ color: rgb(59, 93, 189);
/* oklch */ color: oklch(50.6% 0.156 266.2);

Tailwind

colors: {
  custom: {
    50: '#808ad1',
    500: '#3b5dbd',
    950: '#000000',
  },
}

SCSS

$custom: #3b5dbd;
$custom-light: #808ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5dbd",
  "rgb": {
    "r": 59,
    "g": 93,
    "b": 189
  },
  "hsl": {
    "h": 224.308,
    "s": 52.419,
    "l": 48.627
  },
  "oklch": {
    "l": 0.50628,
    "c": 0.15602,
    "h": 266.2
  },
  "luminance": 0.12433
}

Semantic roles & 50–950 ramp

primary

#3B5DBD

secondary

#C9B98B

accent

#B64CDC

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3B5DBD

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

Preview Lab → · Contrast checker → · Palette generator →