#37597C#37597C

#37597C is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.4% C 0.070 H 250.3°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#37597C
RGB	rgb(55, 89, 124)
HSL	hsl(210, 39%, 35%)
HSV	hsv(210, 56%, 49%)
CMYK	cmyk(55.6%, 28.2%, 0%, 51.4%)
CIE-LAB	lab(36.76, -1.37, -23.50)
CIE-LCH	lch(36.76, 23.54, 266.66°)
OKLab	oklab(45.39% -0.0236 -0.0659)
OKLCH	oklch(45.39% 0.07 250.3)
XYZ	xyz(8.7847, 9.4115, 20.4186)
Luminance	0.0941 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37597C #7C5A37

analogous

#377B7C #37597C #38377C

triadic

#37597C #7C3759 #597C37

tetradic

#37597C #7C377B #7C5A37 #377C38

square

#37597C #7C377B #7C5A37 #377C38

split-complementary

#37597C #7C3837 #7B7C37

monochromatic

#111C27 #243B52 #37597C #4A77A6 #6E96BF

Accessibility & contrast

On white

7.29

#37597C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#37597C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37597C

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37597C	#FFFFFF	#000000	##FFFFFF
##37597C	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5A7E

Deuteranopia (green-blind)

#42537B

Tritanopia (blue-blind)

#0E6165

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #37597c;
/* rgb */ color: rgb(55, 89, 124);
/* oklch */ color: oklch(45.4% 0.070 250.3);

Tailwind

colors: {
  custom: {
    50: '#7387a2',
    500: '#37597c',
    950: '#000000',
  },
}

SCSS

$custom: #37597c;
$custom-light: #7387a2;
$custom-dark: #000000;

JSON

{
  "hex": "#37597c",
  "rgb": {
    "r": 55,
    "g": 89,
    "b": 124
  },
  "hsl": {
    "h": 210.435,
    "s": 38.547,
    "l": 35.098
  },
  "oklch": {
    "l": 0.45394,
    "c": 0.07002,
    "h": 250.3
  },
  "luminance": 0.09412
}

Semantic roles & 50–950 ramp

primary

#37597C

secondary

#A88867

accent

#9559CE

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#080B0F

muted

#7B7C7E

Preview Lab

Preview with #37597C

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

Preview Lab → · Contrast checker → · Palette generator →