#37659E#37659E

#37659E is a mid, moderate cyan. Relative luminance 0.126; OKLCH L 50.2% C 0.105 H 254.8°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#37659E
RGB	rgb(55, 101, 158)
HSL	hsl(213, 48%, 42%)
HSV	hsv(213, 65%, 62%)
CMYK	cmyk(65.2%, 36.1%, 0%, 38%)
CIE-LAB	lab(42.13, 3.00, -35.61)
CIE-LCH	lch(42.13, 35.74, 274.82°)
OKLab	oklab(50.16% -0.0274 -0.101)
OKLCH	oklch(50.16% 0.105 254.8)
XYZ	xyz(12.3986, 12.5870, 34.1173)
Luminance	0.1259 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37659E #9E7037

analogous

#37999E #37659E #3D379E

triadic

#37659E #9E3765 #659E37

tetradic

#37659E #9E3799 #9E7037 #379E3D

square

#37659E #9E3799 #9E7037 #379E3D

split-complementary

#37659E #9E3D37 #999E37

monochromatic

#172B43 #274871 #37659E #5083C2 #7DA3D2

Accessibility & contrast

On white

5.97

#37659E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#37659E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37659E

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37659E	#FFFFFF	#000000	##FFFFFF
##37659E	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C69A0

Deuteranopia (green-blind)

#3E5F9D

Tritanopia (blue-blind)

#00727A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #37659e;
/* rgb */ color: rgb(55, 101, 158);
/* oklch */ color: oklch(50.2% 0.105 254.8);

Tailwind

colors: {
  custom: {
    50: '#7890bb',
    500: '#37659e',
    950: '#000000',
  },
}

SCSS

$custom: #37659e;
$custom-light: #7890bb;
$custom-dark: #000000;

JSON

{
  "hex": "#37659e",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 158
  },
  "hsl": {
    "h": 213.204,
    "s": 48.357,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50162,
    "c": 0.10464,
    "h": 254.8
  },
  "luminance": 0.12588
}

Semantic roles & 50–950 ramp

primary

#37659E

secondary

#BB9C76

accent

#9B50D8

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #37659E

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

Preview Lab → · Contrast checker → · Palette generator →