#37588F#37588F

#37588F is a mid, moderate blue. Relative luminance 0.098; OKLCH L 46.2% C 0.098 H 260.1°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#37588F
RGB	rgb(55, 88, 143)
HSL	hsl(218, 44%, 39%)
HSV	hsv(218, 62%, 56%)
CMYK	cmyk(61.5%, 38.5%, 0%, 43.9%)
CIE-LAB	lab(37.43, 5.89, -34.05)
CIE-LCH	lch(37.43, 34.55, 279.82°)
OKLab	oklab(46.24% -0.0168 -0.0966)
OKLCH	oklch(46.24% 0.098 260.1)
XYZ	xyz(10.0215, 9.7740, 27.3397)
Luminance	0.0978 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37588F #8F6E37

analogous

#37848F #37588F #42378F

triadic

#37588F #8F3758 #588F37

tetradic

#37588F #8F3784 #8F6E37 #378F42

square

#37588F #8F3784 #8F6E37 #378F42

split-complementary

#37588F #8F4237 #848F37

monochromatic

#152237 #263D63 #37588F #4A74B9 #7696CA

Accessibility & contrast

On white

7.11

#37588F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#37588F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37588F

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37588F	#FFFFFF	#000000	##FFFFFF
##37588F	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415D91

Deuteranopia (green-blind)

#35548E

Tritanopia (blue-blind)

#00646C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #37588f;
/* rgb */ color: rgb(55, 88, 143);
/* oklch */ color: oklch(46.2% 0.098 260.1);

Tailwind

colors: {
  custom: {
    50: '#7686b0',
    500: '#37588f',
    950: '#000000',
  },
}

SCSS

$custom: #37588f;
$custom-light: #7686b0;
$custom-dark: #000000;

JSON

{
  "hex": "#37588f",
  "rgb": {
    "r": 55,
    "g": 88,
    "b": 143
  },
  "hsl": {
    "h": 217.5,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.46236,
    "c": 0.09803,
    "h": 260.1
  },
  "luminance": 0.09775
}

Semantic roles & 50–950 ramp

primary

#37588F

secondary

#B3996F

accent

#A454D4

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #37588F

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

Preview Lab → · Contrast checker → · Palette generator →