#37567B#37567B

#37567B is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.6% C 0.071 H 253.6°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#37567B
RGB	rgb(55, 86, 123)
HSL	hsl(213, 38%, 35%)
HSV	hsv(213, 55%, 48%)
CMYK	cmyk(55.3%, 30.1%, 0%, 51.8%)
CIE-LAB	lab(35.79, 0.18, -24.41)
CIE-LCH	lch(35.79, 24.42, 270.43°)
OKLab	oklab(44.61% -0.0202 -0.0686)
OKLCH	oklch(44.61% 0.071 253.6)
XYZ	xyz(8.4772, 8.8972, 20.0057)
Luminance	0.0890 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37567B #7B5C37

analogous

#37787B #37567B #3A377B

triadic

#37567B #7B3756 #567B37

tetradic

#37567B #7B3778 #7B5C37 #377B3A

square

#37567B #7B3778 #7B5C37 #377B3A

split-complementary

#37567B #7B3A37 #787B37

monochromatic

#111B26 #243851 #37567B #4A74A5 #6E93BE

Accessibility & contrast

On white

7.56

#37567B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#37567B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37567B

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37567B	#FFFFFF	#000000	##FFFFFF
##37567B	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47587D

Deuteranopia (green-blind)

#3F517A

Tritanopia (blue-blind)

#115E63

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #37567b;
/* rgb */ color: rgb(55, 86, 123);
/* oklch */ color: oklch(44.6% 0.071 253.6);

Tailwind

colors: {
  custom: {
    50: '#7385a1',
    500: '#37567b',
    950: '#000000',
  },
}

SCSS

$custom: #37567b;
$custom-light: #7385a1;
$custom-dark: #000000;

JSON

{
  "hex": "#37567b",
  "rgb": {
    "r": 55,
    "g": 86,
    "b": 123
  },
  "hsl": {
    "h": 212.647,
    "s": 38.202,
    "l": 34.902
  },
  "oklch": {
    "l": 0.44609,
    "c": 0.07147,
    "h": 253.6
  },
  "luminance": 0.08898
}

Semantic roles & 50–950 ramp

primary

#37567B

secondary

#A78A67

accent

#995ACE

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#080B0F

muted

#7B7C7E

Preview Lab

Preview with #37567B

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

Preview Lab → · Contrast checker → · Palette generator →