#3A5ACB#3A5ACB

#3A5ACB is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.0% C 0.179 H 267.6°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#3A5ACB
RGB	rgb(58, 90, 203)
HSL	hsl(227, 58%, 51%)
HSV	hsv(227, 71%, 80%)
CMYK	cmyk(71.4%, 55.7%, 0%, 20.4%)
CIE-LAB	lab(42.03, 26.94, -62.12)
CIE-LCH	lch(42.03, 67.71, 293.45°)
OKLab	oklab(51.04% -0.0075 -0.179)
OKLCH	oklch(51.04% 0.179 267.6)
XYZ	xyz(16.1768, 12.5220, 58.0528)
Luminance	0.1252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5ACB #CBAB3A

analogous

#3AA2CB #3A5ACB #623ACB

triadic

#3A5ACB #CB3A5A #5ACB3A

tetradic

#3A5ACB #CB3AA2 #CBAB3A #3ACB62

square

#3A5ACB #CB3AA2 #CBAB3A #3ACB62

split-complementary

#3A5ACB #CB623A #A2CB3A

monochromatic

#1D2F6E #2A439E #3A5ACB #6A83D8 #9BABE5

Accessibility & contrast

On white

5.99

#3A5ACB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#3A5ACB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5ACB

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5ACB	#FFFFFF	#000000	##FFFFFF
##3A5ACB	1.00	5.99	3.50	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACF

Deuteranopia (green-blind)

#005DC9

Tritanopia (blue-blind)

#00768A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3a5acb;
/* rgb */ color: rgb(58, 90, 203);
/* oklch */ color: oklch(51.0% 0.179 267.6);

Tailwind

colors: {
  custom: {
    50: '#8388dc',
    500: '#3a5acb',
    950: '#000000',
  },
}

SCSS

$custom: #3a5acb;
$custom-light: #8388dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5acb",
  "rgb": {
    "r": 58,
    "g": 90,
    "b": 203
  },
  "hsl": {
    "h": 226.759,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51035,
    "c": 0.17913,
    "h": 267.6
  },
  "luminance": 0.12524
}

Semantic roles & 50–950 ramp

primary

#3A5ACB

secondary

#D0C290

accent

#BF46E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3A5ACB

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

Preview Lab → · Contrast checker → · Palette generator →