#37577F#37577F

#37577F is a mid, moderate cyan. Relative luminance 0.092; OKLCH L 45.1% C 0.076 H 254.6°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#37577F
RGB	rgb(55, 87, 127)
HSL	hsl(213, 40%, 36%)
HSV	hsv(213, 57%, 50%)
CMYK	cmyk(56.7%, 31.5%, 0%, 50.2%)
CIE-LAB	lab(36.29, 0.92, -26.09)
CIE-LCH	lch(36.29, 26.10, 272.01°)
OKLab	oklab(45.07% -0.0201 -0.0734)
OKLCH	oklch(45.07% 0.076 254.6)
XYZ	xyz(8.8132, 9.1602, 21.3782)
Luminance	0.0916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37577F #7F5F37

analogous

#377B7F #37577F #3B377F

triadic

#37577F #7F3757 #577F37

tetradic

#37577F #7F377B #7F5F37 #377F3B

square

#37577F #7F377B #7F5F37 #377F3B

split-complementary

#37577F #7F3B37 #7B7F37

monochromatic

#121C2A #253A54 #37577F #4974AA #7094C1

Accessibility & contrast

On white

7.41

#37577F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#37577F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37577F

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37577F	#FFFFFF	#000000	##FFFFFF
##37577F	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475981

Deuteranopia (green-blind)

#3E527E

Tritanopia (blue-blind)

#096065

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #37577f;
/* rgb */ color: rgb(55, 87, 127);
/* oklch */ color: oklch(45.1% 0.076 254.6);

Tailwind

colors: {
  custom: {
    50: '#7386a4',
    500: '#37577f',
    950: '#000000',
  },
}

SCSS

$custom: #37577f;
$custom-light: #7386a4;
$custom-dark: #000000;

JSON

{
  "hex": "#37577f",
  "rgb": {
    "r": 55,
    "g": 87,
    "b": 127
  },
  "hsl": {
    "h": 213.333,
    "s": 39.56,
    "l": 35.686
  },
  "oklch": {
    "l": 0.4507,
    "c": 0.07611,
    "h": 254.6
  },
  "luminance": 0.09161
}

Semantic roles & 50–950 ramp

primary

#37577F

secondary

#AA8D68

accent

#9B58CF

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080B0F

muted

#7B7C7F

Preview Lab

Preview with #37577F

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

Preview Lab → · Contrast checker → · Palette generator →