#37559E#37559E

#37559E is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.5% C 0.124 H 265.1°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#37559E
RGB	rgb(55, 85, 158)
HSL	hsl(223, 48%, 42%)
HSV	hsv(223, 65%, 62%)
CMYK	cmyk(65.2%, 46.2%, 0%, 38%)
CIE-LAB	lab(37.44, 13.27, -43.08)
CIE-LCH	lch(37.44, 45.08, 287.13°)
OKLab	oklab(46.53% -0.0105 -0.1231)
OKLCH	oklch(46.53% 0.124 265.1)
XYZ	xyz(10.9935, 9.7768, 33.6489)
Luminance	0.0978 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37559E #9E8037

analogous

#37899E #37559E #4C379E

triadic

#37559E #9E3755 #559E37

tetradic

#37559E #9E3789 #9E8037 #379E4C

square

#37559E #9E3789 #9E8037 #379E4C

split-complementary

#37559E #9E4C37 #899E37

monochromatic

#172443 #273D71 #37559E #5071C2 #7D96D2

Accessibility & contrast

On white

7.11

#37559E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#37559E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37559E

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37559E	#FFFFFF	#000000	##FFFFFF
##37559E	1.00	7.11	2.96	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325DA1

Deuteranopia (green-blind)

#20549C

Tritanopia (blue-blind)

#006672

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #37559e;
/* rgb */ color: rgb(55, 85, 158);
/* oklch */ color: oklch(46.5% 0.124 265.1);

Tailwind

colors: {
  custom: {
    50: '#7984bb',
    500: '#37559e',
    950: '#000000',
  },
}

SCSS

$custom: #37559e;
$custom-light: #7984bb;
$custom-dark: #000000;

JSON

{
  "hex": "#37559e",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 158
  },
  "hsl": {
    "h": 222.524,
    "s": 48.357,
    "l": 41.765
  },
  "oklch": {
    "l": 0.46527,
    "c": 0.12355,
    "h": 265.1
  },
  "luminance": 0.09778
}

Semantic roles & 50–950 ramp

primary

#37559E

secondary

#BBA776

accent

#B050D8

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #37559E

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

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