#3B5BDA#3B5BDA

#3B5BDA is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.5% C 0.197 H 268.0°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#3B5BDA
RGB	rgb(59, 91, 218)
HSL	hsl(228, 68%, 54%)
HSV	hsv(228, 73%, 85%)
CMYK	cmyk(72.9%, 58.3%, 0%, 14.5%)
CIE-LAB	lab(43.47, 31.85, -68.39)
CIE-LCH	lch(43.47, 75.44, 294.97°)
OKLab	oklab(52.47% -0.0068 -0.1974)
OKLCH	oklch(52.47% 0.197 268)
XYZ	xyz(18.1952, 13.4720, 67.9575)
Luminance	0.1347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5BDA #DABA3B

analogous

#3BAADA #3B5BDA #6B3BDA

triadic

#3B5BDA #DA3B5B #5BDA3B

tetradic

#3B5BDA #DA3BAA #DABA3B #3BDA6B

square

#3B5BDA #DA3BAA #DABA3B #3BDA6B

split-complementary

#3B5BDA #DA6B3B #AADA3B

monochromatic

#192E82 #2240B6 #3B5BDA #6E86E4 #A2B1ED

Accessibility & contrast

On white

5.68

#3B5BDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#3B5BDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5BDA

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5BDA	#FFFFFF	#000000	##FFFFFF
##3B5BDA	1.00	5.68	3.69	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EDE

Deuteranopia (green-blind)

#0060D8

Tritanopia (blue-blind)

#007B92

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3b5bda;
/* rgb */ color: rgb(59, 91, 218);
/* oklch */ color: oklch(52.5% 0.197 268.0);

Tailwind

colors: {
  custom: {
    50: '#8689e6',
    500: '#3b5bda',
    950: '#000000',
  },
}

SCSS

$custom: #3b5bda;
$custom-light: #8689e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5bda",
  "rgb": {
    "r": 59,
    "g": 91,
    "b": 218
  },
  "hsl": {
    "h": 227.925,
    "s": 68.24,
    "l": 54.314
  },
  "oklch": {
    "l": 0.52474,
    "c": 0.19749,
    "h": 268
  },
  "luminance": 0.13474
}

Semantic roles & 50–950 ramp

primary

#3B5BDA

secondary

#DACD97

accent

#C83DEB

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #3B5BDA

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

Preview Lab → · Contrast checker → · Palette generator →