#3B599A#3B599A

#3B599A is a mid, moderate blue. Relative luminance 0.104; OKLCH L 47.4% C 0.111 H 264.0°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#3B599A
RGB	rgb(59, 89, 154)
HSL	hsl(221, 45%, 42%)
HSV	hsv(221, 62%, 60%)
CMYK	cmyk(61.7%, 42.2%, 0%, 39.6%)
CIE-LAB	lab(38.56, 9.99, -38.88)
CIE-LCH	lch(38.56, 40.14, 284.42°)
OKLab	oklab(47.37% -0.0117 -0.1106)
OKLCH	oklch(47.37% 0.111 264)
XYZ	xyz(11.2067, 10.4067, 31.9837)
Luminance	0.1041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B599A #9A7C3B

analogous

#3B899A #3B599A #4D3B9A

triadic

#3B599A #9A3B59 #599A3B

tetradic

#3B599A #9A3B89 #9A7C3B #3B9A4D

square

#3B599A #9A3B89 #9A7C3B #3B9A4D

split-complementary

#3B599A #9A4D3B #899A3B

monochromatic

#192642 #2A3F6E #3B599A #5576BE #8199CF

Accessibility & contrast

On white

6.81

#3B599A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#3B599A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B599A

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B599A	#FFFFFF	#000000	##FFFFFF
##3B599A	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C5F9D

Deuteranopia (green-blind)

#2F5799

Tritanopia (blue-blind)

#006872

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3b599a;
/* rgb */ color: rgb(59, 89, 154);
/* oklch */ color: oklch(47.4% 0.111 264.0);

Tailwind

colors: {
  custom: {
    50: '#7a87b8',
    500: '#3b599a',
    950: '#000000',
  },
}

SCSS

$custom: #3b599a;
$custom-light: #7a87b8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b599a",
  "rgb": {
    "r": 59,
    "g": 89,
    "b": 154
  },
  "hsl": {
    "h": 221.053,
    "s": 44.601,
    "l": 41.765
  },
  "oklch": {
    "l": 0.47369,
    "c": 0.11124,
    "h": 264
  },
  "luminance": 0.10408
}

Semantic roles & 50–950 ramp

primary

#3B599A

secondary

#B8A478

accent

#AC53D4

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #3B599A

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

Preview Lab → · Contrast checker → · Palette generator →