#37689E#37689E

#37689E is a mid, moderate cyan. Relative luminance 0.132; OKLCH L 50.9% C 0.102 H 252.4°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#37689E
RGB	rgb(55, 104, 158)
HSL	hsl(211, 48%, 42%)
HSV	hsv(211, 65%, 62%)
CMYK	cmyk(65.2%, 34.2%, 0%, 38%)
CIE-LAB	lab(43.03, 1.13, -34.19)
CIE-LCH	lch(43.03, 34.21, 271.89°)
OKLab	oklab(50.87% -0.0307 -0.0968)
OKLCH	oklch(50.87% 0.102 252.4)
XYZ	xyz(12.6952, 13.1802, 34.2161)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37689E #9E6D37

analogous

#379C9E #37689E #39379E

triadic

#37689E #9E3768 #689E37

tetradic

#37689E #9E379C #9E6D37 #379E39

square

#37689E #9E379C #9E6D37 #379E39

split-complementary

#37689E #9E3937 #9C9E37

monochromatic

#172C43 #274A71 #37689E #5086C2 #7DA6D2

Accessibility & contrast

On white

5.78

#37689E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#37689E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37689E

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37689E	#FFFFFF	#000000	##FFFFFF
##37689E	1.00	5.78	3.64	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#516BA0

Deuteranopia (green-blind)

#42619D

Tritanopia (blue-blind)

#00757B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #37689e;
/* rgb */ color: rgb(55, 104, 158);
/* oklch */ color: oklch(50.9% 0.102 252.4);

Tailwind

colors: {
  custom: {
    50: '#7892bb',
    500: '#37689e',
    950: '#000000',
  },
}

SCSS

$custom: #37689e;
$custom-light: #7892bb;
$custom-dark: #000000;

JSON

{
  "hex": "#37689e",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 158
  },
  "hsl": {
    "h": 211.456,
    "s": 48.357,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50865,
    "c": 0.10155,
    "h": 252.4
  },
  "luminance": 0.13181
}

Semantic roles & 50–950 ramp

primary

#37689E

secondary

#BB9A76

accent

#9750D8

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0D12

muted

#7C7D81

Preview Lab

Preview with #37689E

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

Preview Lab → · Contrast checker → · Palette generator →