#37598A#37598A

#37598A is a mid, moderate blue. Relative luminance 0.098; OKLCH L 46.2% C 0.090 H 257.6°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#37598A
RGB	rgb(55, 89, 138)
HSL	hsl(215, 43%, 38%)
HSV	hsv(215, 60%, 54%)
CMYK	cmyk(60.1%, 35.5%, 0%, 45.9%)
CIE-LAB	lab(37.46, 3.48, -30.96)
CIE-LCH	lch(37.46, 31.16, 276.41°)
OKLab	oklab(46.17% -0.0193 -0.0876)
OKLCH	oklch(46.17% 0.09 257.6)
XYZ	xyz(9.7338, 9.7911, 25.4168)
Luminance	0.0979 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37598A #8A6837

analogous

#37828A #37598A #3F378A

triadic

#37598A #8A3759 #598A37

tetradic

#37598A #8A3782 #8A6837 #378A3F

square

#37598A #8A3782 #8A6837 #378A3F

split-complementary

#37598A #8A3F37 #828A37

monochromatic

#142132 #263D5E #37598A #4875B6 #7496C8

Accessibility & contrast

On white

7.10

#37598A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#37598A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37598A

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37598A	#FFFFFF	#000000	##FFFFFF
##37598A	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#455C8C

Deuteranopia (green-blind)

#3A5589

Tritanopia (blue-blind)

#00646B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #37598a;
/* rgb */ color: rgb(55, 89, 138);
/* oklch */ color: oklch(46.2% 0.090 257.6);

Tailwind

colors: {
  custom: {
    50: '#7587ac',
    500: '#37598a',
    950: '#000000',
  },
}

SCSS

$custom: #37598a;
$custom-light: #7587ac;
$custom-dark: #000000;

JSON

{
  "hex": "#37598a",
  "rgb": {
    "r": 55,
    "g": 89,
    "b": 138
  },
  "hsl": {
    "h": 215.422,
    "s": 43.005,
    "l": 37.843
  },
  "oklch": {
    "l": 0.46172,
    "c": 0.08967,
    "h": 257.6
  },
  "luminance": 0.09792
}

Semantic roles & 50–950 ramp

primary

#37598A

secondary

#B0956D

accent

#9F55D3

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #37598A

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

Preview Lab → · Contrast checker → · Palette generator →