#3A5BB9#3A5BB9

#3A5BB9 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.9% C 0.153 H 266.3°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#3A5BB9
RGB	rgb(58, 91, 185)
HSL	hsl(224, 52%, 48%)
HSV	hsv(224, 69%, 73%)
CMYK	cmyk(68.6%, 50.8%, 0%, 27.5%)
CIE-LAB	lab(41.03, 19.74, -53.29)
CIE-LCH	lch(41.03, 56.82, 290.33°)
OKLab	oklab(49.87% -0.0098 -0.153)
OKLCH	oklch(49.87% 0.153 266.3)
XYZ	xyz(14.2399, 11.8831, 47.4327)
Luminance	0.1188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5BB9 #B9983A

analogous

#3A9BB9 #3A5BB9 #583AB9

triadic

#3A5BB9 #B93A5B #5BB93A

tetradic

#3A5BB9 #B93A9B #B9983A #3AB958

square

#3A5BB9 #B93A9B #B9983A #3AB958

split-complementary

#3A5BB9 #B9583A #9BB93A

monochromatic

#1D2D5C #2B448A #3A5BB9 #627ECE #91A5DC

Accessibility & contrast

On white

6.22

#3A5BB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#3A5BB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5BB9

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5BB9	#FFFFFF	#000000	##FFFFFF
##3A5BB9	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2367BC

Deuteranopia (green-blind)

#005BB7

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3a5bb9;
/* rgb */ color: rgb(58, 91, 185);
/* oklch */ color: oklch(49.9% 0.153 266.3);

Tailwind

colors: {
  custom: {
    50: '#7f88cf',
    500: '#3a5bb9',
    950: '#000000',
  },
}

SCSS

$custom: #3a5bb9;
$custom-light: #7f88cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5bb9",
  "rgb": {
    "r": 58,
    "g": 91,
    "b": 185
  },
  "hsl": {
    "h": 224.409,
    "s": 52.263,
    "l": 47.647
  },
  "oklch": {
    "l": 0.49873,
    "c": 0.15328,
    "h": 266.3
  },
  "luminance": 0.11884
}

Semantic roles & 50–950 ramp

primary

#3A5BB9

secondary

#C7B787

accent

#B64CDC

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3A5BB9

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

Preview Lab → · Contrast checker → · Palette generator →