#3B588D#3B588D

#3B588D is a mid, moderate blue. Relative luminance 0.098; OKLCH L 46.3% C 0.093 H 261.7°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#3B588D
RGB	rgb(59, 88, 141)
HSL	hsl(219, 41%, 39%)
HSV	hsv(219, 58%, 55%)
CMYK	cmyk(58.2%, 37.6%, 0%, 44.7%)
CIE-LAB	lab(37.54, 6.05, -32.66)
CIE-LCH	lch(37.54, 33.21, 280.50°)
OKLab	oklab(46.34% -0.0135 -0.0924)
OKLCH	oklch(46.34% 0.093 261.7)
XYZ	xyz(10.0994, 9.8315, 26.5596)
Luminance	0.0983 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B588D #8D703B

analogous

#3B818D #3B588D #473B8D

triadic

#3B588D #8D3B58 #588D3B

tetradic

#3B588D #8D3B81 #8D703B #3B8D47

square

#3B588D #8D3B81 #8D703B #3B8D47

split-complementary

#3B588D #8D473B #818D3B

monochromatic

#172237 #293D62 #3B588D #5074B6 #7B96C8

Accessibility & contrast

On white

7.08

#3B588D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#3B588D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B588D

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B588D	#FFFFFF	#000000	##FFFFFF
##3B588D	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425C8F

Deuteranopia (green-blind)

#38558C

Tritanopia (blue-blind)

#00646C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3b588d;
/* rgb */ color: rgb(59, 88, 141);
/* oklch */ color: oklch(46.3% 0.093 261.7);

Tailwind

colors: {
  custom: {
    50: '#7886ae',
    500: '#3b588d',
    950: '#000000',
  },
}

SCSS

$custom: #3b588d;
$custom-light: #7886ae;
$custom-dark: #000000;

JSON

{
  "hex": "#3b588d",
  "rgb": {
    "r": 59,
    "g": 88,
    "b": 141
  },
  "hsl": {
    "h": 218.78,
    "s": 41,
    "l": 39.216
  },
  "oklch": {
    "l": 0.46339,
    "c": 0.09342,
    "h": 261.7
  },
  "luminance": 0.09832
}

Semantic roles & 50–950 ramp

primary

#3B588D

secondary

#B19B73

accent

#A657D1

background

#F7F8FA

surface

#EEEFF4

border

#C9CACE

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #3B588D

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

Preview Lab → · Contrast checker → · Palette generator →