#37657D#37657D

#37657D is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.4% C 0.064 H 232.9°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#37657D
RGB	rgb(55, 101, 125)
HSL	hsl(201, 39%, 35%)
HSV	hsv(201, 56%, 49%)
CMYK	cmyk(56%, 19.2%, 0%, 51%)
CIE-LAB	lab(40.57, -8.36, -18.22)
CIE-LCH	lch(40.57, 20.05, 245.36°)
OKLab	oklab(48.42% -0.0383 -0.0507)
OKLCH	oklch(48.42% 0.064 232.9)
XYZ	xyz(9.9295, 11.5994, 21.1137)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37657D #7D4F37

analogous

#377D72 #37657D #37427D

triadic

#37657D #7D3765 #657D37

tetradic

#37657D #72377D #7D4F37 #427D37

square

#37657D #72377D #7D4F37 #427D37

split-complementary

#37657D #7D3742 #7D7237

monochromatic

#122028 #244352 #37657D #4A87A7 #6FA4C0

Accessibility & contrast

On white

6.33

#37657D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#37657D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37657D

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37657D	#FFFFFF	#000000	##FFFFFF
##37657D	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59647E

Deuteranopia (green-blind)

#505C7D

Tritanopia (blue-blind)

#046B6D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #37657d;
/* rgb */ color: rgb(55, 101, 125);
/* oklch */ color: oklch(48.4% 0.064 232.9);

Tailwind

colors: {
  custom: {
    50: '#7490a2',
    500: '#37657d',
    950: '#000000',
  },
}

SCSS

$custom: #37657d;
$custom-light: #7490a2;
$custom-dark: #000000;

JSON

{
  "hex": "#37657d",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 125
  },
  "hsl": {
    "h": 200.571,
    "s": 38.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.48418,
    "c": 0.06358,
    "h": 232.9
  },
  "luminance": 0.116
}

Semantic roles & 50–950 ramp

primary

#37657D

secondary

#A87E67

accent

#8159CF

background

#F7F8FA

surface

#EDF0F3

border

#C8CBCD

text

#080C0F

muted

#7B7D7F

Preview Lab

Preview with #37657D

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

Preview Lab → · Contrast checker → · Palette generator →