#37697D#37697D

#37697D is a mid, moderate cyan. Relative luminance 0.124; OKLCH L 49.4% C 0.063 H 226.3°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#37697D
RGB	rgb(55, 105, 125)
HSL	hsl(197, 39%, 35%)
HSV	hsv(197, 56%, 49%)
CMYK	cmyk(56%, 16%, 0%, 51%)
CIE-LAB	lab(41.84, -10.71, -16.28)
CIE-LCH	lch(41.84, 19.49, 236.67°)
OKLab	oklab(49.42% -0.0433 -0.0452)
OKLCH	oklch(49.42% 0.063 226.3)
XYZ	xyz(10.3274, 12.3951, 21.2463)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37697D #7D4B37

analogous

#377D6E #37697D #37467D

triadic

#37697D #7D3769 #697D37

tetradic

#37697D #6E377D #7D4B37 #467D37

square

#37697D #6E377D #7D4B37 #467D37

split-complementary

#37697D #7D3746 #7D6E37

monochromatic

#122228 #244552 #37697D #4A8DA7 #6FA8C0

Accessibility & contrast

On white

6.04

#37697D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#37697D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37697D

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37697D	#FFFFFF	#000000	##FFFFFF
##37697D	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E677E

Deuteranopia (green-blind)

#545F7D

Tritanopia (blue-blind)

#026F6F

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #37697d;
/* rgb */ color: rgb(55, 105, 125);
/* oklch */ color: oklch(49.4% 0.063 226.3);

Tailwind

colors: {
  custom: {
    50: '#7494a2',
    500: '#37697d',
    950: '#000000',
  },
}

SCSS

$custom: #37697d;
$custom-light: #7494a2;
$custom-dark: #000000;

JSON

{
  "hex": "#37697d",
  "rgb": {
    "r": 55,
    "g": 105,
    "b": 125
  },
  "hsl": {
    "h": 197.143,
    "s": 38.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.49424,
    "c": 0.0626,
    "h": 226.3
  },
  "luminance": 0.12396
}

Semantic roles & 50–950 ramp

primary

#37697D

secondary

#A87A67

accent

#7B59CF

background

#F7F9FA

surface

#EDF1F3

border

#C8CBCD

text

#080D0F

muted

#7B7E7F

Preview Lab

Preview with #37697D

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

Preview Lab → · Contrast checker → · Palette generator →