#37657A#37657A

#37657A is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 48.3% C 0.061 H 229.4°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#37657A
RGB	rgb(55, 101, 122)
HSL	hsl(199, 38%, 35%)
HSV	hsv(199, 55%, 48%)
CMYK	cmyk(54.9%, 17.2%, 0%, 52.2%)
CIE-LAB	lab(40.45, -9.33, -16.59)
CIE-LCH	lch(40.45, 19.03, 240.65°)
OKLab	oklab(48.28% -0.0395 -0.0461)
OKLCH	oklch(48.28% 0.061 229.4)
XYZ	xyz(9.7408, 11.5239, 20.1196)
Luminance	0.1153 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37657A #7A4C37

analogous

#377A6E #37657A #37447A

triadic

#37657A #7A3765 #657A37

tetradic

#37657A #6E377A #7A4C37 #447A37

square

#37657A #6E377A #7A4C37 #447A37

split-complementary

#37657A #7A3744 #7A6E37

monochromatic

#111F26 #244250 #37657A #4A88A4 #6EA5BE

Accessibility & contrast

On white

6.35

#37657A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#37657A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37657A

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37657A	#FFFFFF	#000000	##FFFFFF
##37657A	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A637B

Deuteranopia (green-blind)

#515C7A

Tritanopia (blue-blind)

#0A6B6C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #37657a;
/* rgb */ color: rgb(55, 101, 122);
/* oklch */ color: oklch(48.3% 0.061 229.4);

Tailwind

colors: {
  custom: {
    50: '#7390a0',
    500: '#37657a',
    950: '#000000',
  },
}

SCSS

$custom: #37657a;
$custom-light: #7390a0;
$custom-dark: #000000;

JSON

{
  "hex": "#37657a",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 122
  },
  "hsl": {
    "h": 198.806,
    "s": 37.853,
    "l": 34.706
  },
  "oklch": {
    "l": 0.48279,
    "c": 0.06071,
    "h": 229.4
  },
  "luminance": 0.11525
}

Semantic roles & 50–950 ramp

primary

#37657A

secondary

#A67A66

accent

#7E5ACE

background

#F7F8F9

surface

#EDF0F2

border

#C8CBCC

text

#080C0E

muted

#7B7D7E

Preview Lab

Preview with #37657A

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

Preview Lab → · Contrast checker → · Palette generator →