#3A5CA5#3A5CA5

#3A5CA5 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.7% C 0.124 H 263.7°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#3A5CA5
RGB	rgb(58, 92, 165)
HSL	hsl(221, 48%, 44%)
HSV	hsv(221, 65%, 65%)
CMYK	cmyk(64.8%, 44.2%, 0%, 35.3%)
CIE-LAB	lab(40.03, 11.81, -43.10)
CIE-LCH	lch(40.03, 44.69, 285.33°)
OKLab	oklab(48.7% -0.0137 -0.123)
OKLCH	oklch(48.7% 0.124 263.7)
XYZ	xyz(12.3612, 11.2693, 37.1138)
Luminance	0.1127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5CA5 #A5833A

analogous

#3A91A5 #3A5CA5 #4D3AA5

triadic

#3A5CA5 #A53A5C #5CA53A

tetradic

#3A5CA5 #A53A91 #A5833A #3AA54D

square

#3A5CA5 #A53A91 #A5833A #3AA54D

split-complementary

#3A5CA5 #A54D3A #91A53A

monochromatic

#1A2A4A #2A4378 #3A5CA5 #587AC4 #859ED4

Accessibility & contrast

On white

6.45

#3A5CA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#3A5CA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5CA5

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5CA5	#FFFFFF	#000000	##FFFFFF
##3A5CA5	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A64A8

Deuteranopia (green-blind)

#295AA3

Tritanopia (blue-blind)

#006D78

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3a5ca5;
/* rgb */ color: rgb(58, 92, 165);
/* oklch */ color: oklch(48.7% 0.124 263.7);

Tailwind

colors: {
  custom: {
    50: '#7b89c0',
    500: '#3a5ca5',
    950: '#000000',
  },
}

SCSS

$custom: #3a5ca5;
$custom-light: #7b89c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5ca5",
  "rgb": {
    "r": 58,
    "g": 92,
    "b": 165
  },
  "hsl": {
    "h": 220.935,
    "s": 47.982,
    "l": 43.725
  },
  "oklch": {
    "l": 0.48697,
    "c": 0.12377,
    "h": 263.7
  },
  "luminance": 0.1127
}

Semantic roles & 50–950 ramp

primary

#3A5CA5

secondary

#BEA97D

accent

#AD50D8

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3A5CA5

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

Preview Lab → · Contrast checker → · Palette generator →