#3A5BBC#3A5BBC

#3A5BBC is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.1% C 0.157 H 266.6°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#3A5BBC
RGB	rgb(58, 91, 188)
HSL	hsl(225, 53%, 48%)
HSV	hsv(225, 69%, 74%)
CMYK	cmyk(69.1%, 51.6%, 0%, 26.3%)
CIE-LAB	lab(41.23, 20.84, -54.71)
CIE-LCH	lch(41.23, 58.54, 290.85°)
OKLab	oklab(50.09% -0.0095 -0.1572)
OKLCH	oklch(50.09% 0.157 266.6)
XYZ	xyz(14.5600, 12.0111, 49.1183)
Luminance	0.1201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5BBC #BC9B3A

analogous

#3A9CBC #3A5BBC #5A3ABC

triadic

#3A5BBC #BC3A5B #5BBC3A

tetradic

#3A5BBC #BC3A9C #BC9B3A #3ABC5A

square

#3A5BBC #BC3A9C #BC9B3A #3ABC5A

split-complementary

#3A5BBC #BC5A3A #9CBC3A

monochromatic

#1D2E5E #2C448D #3A5BBC #647FCF #93A6DE

Accessibility & contrast

On white

6.17

#3A5BBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#3A5BBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5BBC

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5BBC	#FFFFFF	#000000	##FFFFFF
##3A5BBC	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F67BF

Deuteranopia (green-blind)

#005CBA

Tritanopia (blue-blind)

#007283

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3a5bbc;
/* rgb */ color: rgb(58, 91, 188);
/* oklch */ color: oklch(50.1% 0.157 266.6);

Tailwind

colors: {
  custom: {
    50: '#7f88d1',
    500: '#3a5bbc',
    950: '#000000',
  },
}

SCSS

$custom: #3a5bbc;
$custom-light: #7f88d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5bbc",
  "rgb": {
    "r": 58,
    "g": 91,
    "b": 188
  },
  "hsl": {
    "h": 224.769,
    "s": 52.846,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50093,
    "c": 0.15744,
    "h": 266.6
  },
  "luminance": 0.12013
}

Semantic roles & 50–950 ramp

primary

#3A5BBC

secondary

#C9B989

accent

#B84CDC

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3A5BBC

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

Preview Lab → · Contrast checker → · Palette generator →