#37647D#37647D

#37647D is a mid, moderate cyan. Relative luminance 0.114; OKLCH L 48.2% C 0.064 H 234.6°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#37647D
RGB	rgb(55, 100, 125)
HSL	hsl(201, 39%, 35%)
HSV	hsv(201, 56%, 49%)
CMYK	cmyk(56%, 20%, 0%, 51%)
CIE-LAB	lab(40.26, -7.76, -18.71)
CIE-LCH	lch(40.26, 20.26, 247.46°)
OKLab	oklab(48.17% -0.0371 -0.0521)
OKLCH	oklch(48.17% 0.064 234.6)
XYZ	xyz(9.8330, 11.4064, 21.0815)
Luminance	0.1141 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37647D #7D5037

analogous

#377D73 #37647D #37417D

triadic

#37647D #7D3764 #647D37

tetradic

#37647D #73377D #7D5037 #417D37

square

#37647D #73377D #7D5037 #417D37

split-complementary

#37647D #7D3741 #7D7337

monochromatic

#122028 #244252 #37647D #4A86A7 #6FA3C0

Accessibility & contrast

On white

6.40

#37647D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#37647D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37647D

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37647D	#FFFFFF	#000000	##FFFFFF
##37647D	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58637E

Deuteranopia (green-blind)

#4E5C7D

Tritanopia (blue-blind)

#056B6C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #37647d;
/* rgb */ color: rgb(55, 100, 125);
/* oklch */ color: oklch(48.2% 0.064 234.6);

Tailwind

colors: {
  custom: {
    50: '#7390a2',
    500: '#37647d',
    950: '#000000',
  },
}

SCSS

$custom: #37647d;
$custom-light: #7390a2;
$custom-dark: #000000;

JSON

{
  "hex": "#37647d",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 125
  },
  "hsl": {
    "h": 201.429,
    "s": 38.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.48167,
    "c": 0.06396,
    "h": 234.6
  },
  "luminance": 0.11407
}

Semantic roles & 50–950 ramp

primary

#37647D

secondary

#A87F67

accent

#8359CF

background

#F7F8FA

surface

#EDF0F3

border

#C8CBCD

text

#080C0F

muted

#7B7D7F

Preview Lab

Preview with #37647D

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

Preview Lab → · Contrast checker → · Palette generator →