#3A5FBB#3A5FBB

#3A5FBB is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.9% C 0.151 H 265.0°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#3A5FBB
RGB	rgb(58, 95, 187)
HSL	hsl(223, 53%, 48%)
HSV	hsv(223, 69%, 73%)
CMYK	cmyk(69%, 49.2%, 0%, 26.7%)
CIE-LAB	lab(42.26, 17.89, -52.47)
CIE-LCH	lch(42.26, 55.43, 288.82°)
OKLab	oklab(50.85% -0.0132 -0.1505)
OKLCH	oklch(50.85% 0.151 265)
XYZ	xyz(14.8036, 12.6703, 48.6695)
Luminance	0.1267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5FBB #BB963A

analogous

#3A9FBB #3A5FBB #563ABB

triadic

#3A5FBB #BB3A5F #5FBB3A

tetradic

#3A5FBB #BB3A9F #BB963A #3ABB56

square

#3A5FBB #BB3A9F #BB963A #3ABB56

split-complementary

#3A5FBB #BB563A #9FBB3A

monochromatic

#1D305E #2C478C #3A5FBB #6382CF #92A8DD

Accessibility & contrast

On white

5.94

#3A5FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#3A5FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5FBB

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5FBB	#FFFFFF	#000000	##FFFFFF
##3A5FBB	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C6ABE

Deuteranopia (green-blind)

#025EB9

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3a5fbb;
/* rgb */ color: rgb(58, 95, 187);
/* oklch */ color: oklch(50.9% 0.151 265.0);

Tailwind

colors: {
  custom: {
    50: '#7f8bd0',
    500: '#3a5fbb',
    950: '#000000',
  },
}

SCSS

$custom: #3a5fbb;
$custom-light: #7f8bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5fbb",
  "rgb": {
    "r": 58,
    "g": 95,
    "b": 187
  },
  "hsl": {
    "h": 222.791,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.50854,
    "c": 0.15107,
    "h": 265
  },
  "luminance": 0.12672
}

Semantic roles & 50–950 ramp

primary

#3A5FBB

secondary

#C8B688

accent

#B34CDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3A5FBB

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

Preview Lab → · Contrast checker → · Palette generator →