#37678A#37678A

#37678A is a mid, moderate cyan. Relative luminance 0.123; OKLCH L 49.5% C 0.077 H 242.2°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#37678A
RGB	rgb(55, 103, 138)
HSL	hsl(205, 43%, 38%)
HSV	hsv(205, 60%, 54%)
CMYK	cmyk(60.1%, 25.4%, 0%, 45.9%)
CIE-LAB	lab(41.76, -5.23, -24.24)
CIE-LCH	lch(41.76, 24.80, 257.83°)
OKLab	oklab(49.55% -0.0359 -0.068)
OKLCH	oklch(49.55% 0.077 242.2)
XYZ	xyz(11.0115, 12.3467, 25.8427)
Luminance	0.1235 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37678A #8A5A37

analogous

#378A83 #37678A #373E8A

triadic

#37678A #8A3767 #678A37

tetradic

#37678A #83378A #8A5A37 #3E8A37

square

#37678A #83378A #8A5A37 #3E8A37

split-complementary

#37678A #8A373E #8A8337

monochromatic

#142632 #26465E #37678A #4888B6 #74A4C8

Accessibility & contrast

On white

6.05

#37678A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#37678A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37678A

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37678A	#FFFFFF	#000000	##FFFFFF
##37678A	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58678C

Deuteranopia (green-blind)

#4C5F89

Tritanopia (blue-blind)

#007073

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #37678a;
/* rgb */ color: rgb(55, 103, 138);
/* oklch */ color: oklch(49.5% 0.077 242.2);

Tailwind

colors: {
  custom: {
    50: '#7592ac',
    500: '#37678a',
    950: '#000000',
  },
}

SCSS

$custom: #37678a;
$custom-light: #7592ac;
$custom-dark: #000000;

JSON

{
  "hex": "#37678a",
  "rgb": {
    "r": 55,
    "g": 103,
    "b": 138
  },
  "hsl": {
    "h": 205.301,
    "s": 43.005,
    "l": 37.843
  },
  "oklch": {
    "l": 0.49547,
    "c": 0.07686,
    "h": 242.2
  },
  "luminance": 0.12348
}

Semantic roles & 50–950 ramp

primary

#37678A

secondary

#B0896D

accent

#8A55D3

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#090D10

muted

#7B7D7F

Preview Lab

Preview with #37678A

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

Preview Lab → · Contrast checker → · Palette generator →