#3A5FB1#3A5FB1

#3A5FB1 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.2% C 0.137 H 263.9°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#3A5FB1
RGB	rgb(58, 95, 177)
HSL	hsl(221, 51%, 46%)
HSV	hsv(221, 67%, 69%)
CMYK	cmyk(67.2%, 46.3%, 0%, 30.6%)
CIE-LAB	lab(41.62, 14.24, -47.64)
CIE-LCH	lch(41.62, 49.73, 286.64°)
OKLab	oklab(50.16% -0.0146 -0.1363)
OKLCH	oklch(50.16% 0.137 263.9)
XYZ	xyz(13.7702, 12.2569, 43.2266)
Luminance	0.1226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5FB1 #B18C3A

analogous

#3A9AB1 #3A5FB1 #513AB1

triadic

#3A5FB1 #B13A5F #5FB13A

tetradic

#3A5FB1 #B13A9A #B18C3A #3AB151

square

#3A5FB1 #B13A9A #B18C3A #3AB151

split-complementary

#3A5FB1 #B1513A #9AB13A

monochromatic

#1C2E55 #2B4683 #3A5FB1 #5E80CA #8CA4D9

Accessibility & contrast

On white

6.08

#3A5FB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#3A5FB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5FB1

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5FB1	#FFFFFF	#000000	##FFFFFF
##3A5FB1	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3668B4

Deuteranopia (green-blind)

#1F5DAF

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3a5fb1;
/* rgb */ color: rgb(58, 95, 177);
/* oklch */ color: oklch(50.2% 0.137 263.9);

Tailwind

colors: {
  custom: {
    50: '#7d8bc9',
    500: '#3a5fb1',
    950: '#000000',
  },
}

SCSS

$custom: #3a5fb1;
$custom-light: #7d8bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5fb1",
  "rgb": {
    "r": 58,
    "g": 95,
    "b": 177
  },
  "hsl": {
    "h": 221.345,
    "s": 50.638,
    "l": 46.078
  },
  "oklch": {
    "l": 0.50158,
    "c": 0.13709,
    "h": 263.9
  },
  "luminance": 0.12258
}

Semantic roles & 50–950 ramp

primary

#3A5FB1

secondary

#C4B083

accent

#AE4EDA

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3A5FB1

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

Preview Lab → · Contrast checker → · Palette generator →