#37597F#37597F

#37597F is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.6% C 0.074 H 252.2°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#37597F
RGB	rgb(55, 89, 127)
HSL	hsl(212, 40%, 36%)
HSV	hsv(212, 57%, 50%)
CMYK	cmyk(56.7%, 29.9%, 0%, 50.2%)
CIE-LAB	lab(36.91, -0.35, -25.12)
CIE-LCH	lch(36.91, 25.12, 269.20°)
OKLab	oklab(45.55% -0.0226 -0.0706)
OKLCH	oklch(45.55% 0.074 252.2)
XYZ	xyz(8.9773, 9.4886, 21.4330)
Luminance	0.0949 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37597F #7F5D37

analogous

#377D7F #37597F #39377F

triadic

#37597F #7F3759 #597F37

tetradic

#37597F #7F377D #7F5D37 #377F39

square

#37597F #7F377D #7F5D37 #377F39

split-complementary

#37597F #7F3937 #7D7F37

monochromatic

#121D2A #253B54 #37597F #4977AA #7096C1

Accessibility & contrast

On white

7.25

#37597F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#37597F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37597F

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37597F	#FFFFFF	#000000	##FFFFFF
##37597F	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#495B81

Deuteranopia (green-blind)

#40547E

Tritanopia (blue-blind)

#086266

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #37597f;
/* rgb */ color: rgb(55, 89, 127);
/* oklch */ color: oklch(45.6% 0.074 252.2);

Tailwind

colors: {
  custom: {
    50: '#7387a4',
    500: '#37597f',
    950: '#000000',
  },
}

SCSS

$custom: #37597f;
$custom-light: #7387a4;
$custom-dark: #000000;

JSON

{
  "hex": "#37597f",
  "rgb": {
    "r": 55,
    "g": 89,
    "b": 127
  },
  "hsl": {
    "h": 211.667,
    "s": 39.56,
    "l": 35.686
  },
  "oklch": {
    "l": 0.45554,
    "c": 0.07413,
    "h": 252.2
  },
  "luminance": 0.09489
}

Semantic roles & 50–950 ramp

primary

#37597F

secondary

#AA8B68

accent

#9758CF

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080B0F

muted

#7B7C7F

Preview Lab

Preview with #37597F

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

Preview Lab → · Contrast checker → · Palette generator →