#37589F#37589F

#37589F is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.3% C 0.121 H 263.7°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#37589F
RGB	rgb(55, 88, 159)
HSL	hsl(221, 49%, 42%)
HSV	hsv(221, 65%, 62%)
CMYK	cmyk(65.4%, 44.7%, 0%, 37.6%)
CIE-LAB	lab(38.36, 11.68, -42.20)
CIE-LCH	lch(38.36, 43.79, 285.47°)
OKLab	oklab(47.26% -0.0134 -0.1205)
OKLCH	oklch(47.26% 0.121 263.7)
XYZ	xyz(11.3211, 10.2938, 34.1845)
Luminance	0.1029 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37589F #9F7E37

analogous

#378C9F #37589F #4A379F

triadic

#37589F #9F3758 #589F37

tetradic

#37589F #9F378C #9F7E37 #379F4A

square

#37589F #9F378C #9F7E37 #379F4A

split-complementary

#37589F #9F4A37 #8C9F37

monochromatic

#182644 #273F72 #37589F #5175C3 #7E99D2

Accessibility & contrast

On white

6.86

#37589F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#37589F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37589F

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37589F	#FFFFFF	#000000	##FFFFFF
##37589F	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365FA2

Deuteranopia (green-blind)

#26569E

Tritanopia (blue-blind)

#006873

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #37589f;
/* rgb */ color: rgb(55, 88, 159);
/* oklch */ color: oklch(47.3% 0.121 263.7);

Tailwind

colors: {
  custom: {
    50: '#7986bc',
    500: '#37589f',
    950: '#000000',
  },
}

SCSS

$custom: #37589f;
$custom-light: #7986bc;
$custom-dark: #000000;

JSON

{
  "hex": "#37589f",
  "rgb": {
    "r": 55,
    "g": 88,
    "b": 159
  },
  "hsl": {
    "h": 220.962,
    "s": 48.598,
    "l": 41.961
  },
  "oklch": {
    "l": 0.47258,
    "c": 0.12121,
    "h": 263.7
  },
  "luminance": 0.10295
}

Semantic roles & 50–950 ramp

primary

#37589F

secondary

#BCA676

accent

#AD50D8

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #37589F

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

Preview Lab → · Contrast checker → · Palette generator →