#37598F#37598F

#37598F is a mid, moderate blue. Relative luminance 0.099; OKLCH L 46.5% C 0.097 H 259.3°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#37598F
RGB	rgb(55, 89, 143)
HSL	hsl(217, 44%, 39%)
HSV	hsv(217, 62%, 56%)
CMYK	cmyk(61.5%, 37.8%, 0%, 43.9%)
CIE-LAB	lab(37.73, 5.25, -33.57)
CIE-LCH	lch(37.73, 33.98, 278.89°)
OKLab	oklab(46.47% -0.018 -0.0952)
OKLCH	oklch(46.47% 0.097 259.3)
XYZ	xyz(10.1041, 9.9393, 27.3673)
Luminance	0.0994 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37598F #8F6D37

analogous

#37858F #37598F #41378F

triadic

#37598F #8F3759 #598F37

tetradic

#37598F #8F3785 #8F6D37 #378F41

square

#37598F #8F3785 #8F6D37 #378F41

split-complementary

#37598F #8F4137 #858F37

monochromatic

#152237 #263D63 #37598F #4A75B9 #7697CA

Accessibility & contrast

On white

7.03

#37598F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#37598F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37598F

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37598F	#FFFFFF	#000000	##FFFFFF
##37598F	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425D91

Deuteranopia (green-blind)

#36558E

Tritanopia (blue-blind)

#00656D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #37598f;
/* rgb */ color: rgb(55, 89, 143);
/* oklch */ color: oklch(46.5% 0.097 259.3);

Tailwind

colors: {
  custom: {
    50: '#7687b0',
    500: '#37598f',
    950: '#000000',
  },
}

SCSS

$custom: #37598f;
$custom-light: #7687b0;
$custom-dark: #000000;

JSON

{
  "hex": "#37598f",
  "rgb": {
    "r": 55,
    "g": 89,
    "b": 143
  },
  "hsl": {
    "h": 216.818,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.46468,
    "c": 0.09687,
    "h": 259.3
  },
  "luminance": 0.0994
}

Semantic roles & 50–950 ramp

primary

#37598F

secondary

#B3996F

accent

#A354D4

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #37598F

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

Preview Lab → · Contrast checker → · Palette generator →