#3A5CA3#3A5CA3

#3A5CA3 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.6% C 0.121 H 263.3°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#3A5CA3
RGB	rgb(58, 92, 163)
HSL	hsl(221, 48%, 43%)
HSV	hsv(221, 64%, 64%)
CMYK	cmyk(64.4%, 43.6%, 0%, 36.1%)
CIE-LAB	lab(39.91, 11.09, -42.11)
CIE-LCH	lch(39.91, 43.54, 284.76°)
OKLab	oklab(48.57% -0.0141 -0.1201)
OKLCH	oklch(48.57% 0.121 263.3)
XYZ	xyz(12.1806, 11.1971, 36.1626)
Luminance	0.1120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5CA3 #A3813A

analogous

#3A90A3 #3A5CA3 #4C3AA3

triadic

#3A5CA3 #A33A5C #5CA33A

tetradic

#3A5CA3 #A33A90 #A3813A #3AA34C

square

#3A5CA3 #A33A90 #A3813A #3AA34C

split-complementary

#3A5CA3 #A34C3A #90A33A

monochromatic

#1A2949 #2A4376 #3A5CA3 #577AC3 #849ED3

Accessibility & contrast

On white

6.48

#3A5CA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#3A5CA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5CA3

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5CA3	#FFFFFF	#000000	##FFFFFF
##3A5CA3	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B63A6

Deuteranopia (green-blind)

#2B5AA2

Tritanopia (blue-blind)

#006C77

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3a5ca3;
/* rgb */ color: rgb(58, 92, 163);
/* oklch */ color: oklch(48.6% 0.121 263.3);

Tailwind

colors: {
  custom: {
    50: '#7b89bf',
    500: '#3a5ca3',
    950: '#000000',
  },
}

SCSS

$custom: #3a5ca3;
$custom-light: #7b89bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5ca3",
  "rgb": {
    "r": 58,
    "g": 92,
    "b": 163
  },
  "hsl": {
    "h": 220.571,
    "s": 47.511,
    "l": 43.333
  },
  "oklch": {
    "l": 0.48566,
    "c": 0.1209,
    "h": 263.3
  },
  "luminance": 0.11198
}

Semantic roles & 50–950 ramp

primary

#3A5CA3

secondary

#BDA87C

accent

#AC51D7

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3A5CA3

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

Preview Lab → · Contrast checker → · Palette generator →