#37689C#37689C

#37689C is a mid, moderate cyan. Relative luminance 0.131; OKLCH L 50.8% C 0.099 H 251.6°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#37689C
RGB	rgb(55, 104, 156)
HSL	hsl(211, 48%, 41%)
HSV	hsv(211, 65%, 61%)
CMYK	cmyk(64.7%, 33.3%, 0%, 38.8%)
CIE-LAB	lab(42.93, 0.42, -33.17)
CIE-LCH	lch(42.93, 33.17, 270.73°)
OKLab	oklab(50.75% -0.0312 -0.0938)
OKLCH	oklch(50.75% 0.099 251.6)
XYZ	xyz(12.5244, 13.1119, 33.3169)
Luminance	0.1311 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37689C #9C6B37

analogous

#379B9C #37689C #39379C

triadic

#37689C #9C3768 #689C37

tetradic

#37689C #9C379B #9C6B37 #379C39

square

#37689C #9C379B #9C6B37 #379C39

split-complementary

#37689C #9C3937 #9B9C37

monochromatic

#172C42 #274A6F #37689C #4F86C1 #7CA5D1

Accessibility & contrast

On white

5.80

#37689C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#37689C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37689C

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37689C	#FFFFFF	#000000	##FFFFFF
##37689C	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#526B9E

Deuteranopia (green-blind)

#44619B

Tritanopia (blue-blind)

#00747B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #37689c;
/* rgb */ color: rgb(55, 104, 156);
/* oklch */ color: oklch(50.8% 0.099 251.6);

Tailwind

colors: {
  custom: {
    50: '#7892b9',
    500: '#37689c',
    950: '#000000',
  },
}

SCSS

$custom: #37689c;
$custom-light: #7892b9;
$custom-dark: #000000;

JSON

{
  "hex": "#37689c",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 156
  },
  "hsl": {
    "h": 210.891,
    "s": 47.867,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50751,
    "c": 0.09888,
    "h": 251.6
  },
  "luminance": 0.13113
}

Semantic roles & 50–950 ramp

primary

#37689C

secondary

#BA9875

accent

#9650D7

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0D11

muted

#7C7D80

Preview Lab

Preview with #37689C

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

Preview Lab → · Contrast checker → · Palette generator →