#375D8A#375D8A

#375D8A is a mid, moderate cyan. Relative luminance 0.105; OKLCH L 47.1% C 0.085 H 253.6°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#375D8A
RGB	rgb(55, 93, 138)
HSL	hsl(213, 43%, 38%)
HSV	hsv(213, 60%, 54%)
CMYK	cmyk(60.1%, 32.6%, 0%, 45.9%)
CIE-LAB	lab(38.68, 0.94, -29.05)
CIE-LCH	lch(38.68, 29.07, 271.85°)
OKLab	oklab(47.12% -0.0241 -0.0819)
OKLCH	oklch(47.12% 0.085 253.6)
XYZ	xyz(10.0757, 10.4750, 25.5307)
Luminance	0.1048 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375D8A #8A6437

analogous

#37868A #375D8A #3A378A

triadic

#375D8A #8A375D #5D8A37

tetradic

#375D8A #8A3786 #8A6437 #378A3A

square

#375D8A #8A3786 #8A6437 #378A3A

split-complementary

#375D8A #8A3A37 #868A37

monochromatic

#142232 #26405E #375D8A #487AB6 #749AC8

Accessibility & contrast

On white

6.78

#375D8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#375D8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375D8A

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375D8A	#FFFFFF	#000000	##FFFFFF
##375D8A	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5F8C

Deuteranopia (green-blind)

#3F5789

Tritanopia (blue-blind)

#00676D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #375d8a;
/* rgb */ color: rgb(55, 93, 138);
/* oklch */ color: oklch(47.1% 0.085 253.6);

Tailwind

colors: {
  custom: {
    50: '#758aac',
    500: '#375d8a',
    950: '#000000',
  },
}

SCSS

$custom: #375d8a;
$custom-light: #758aac;
$custom-dark: #000000;

JSON

{
  "hex": "#375d8a",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 138
  },
  "hsl": {
    "h": 212.53,
    "s": 43.005,
    "l": 37.843
  },
  "oklch": {
    "l": 0.47123,
    "c": 0.08541,
    "h": 253.6
  },
  "luminance": 0.10476
}

Semantic roles & 50–950 ramp

primary

#375D8A

secondary

#B0916D

accent

#9955D3

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #375D8A

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

Preview Lab → · Contrast checker → · Palette generator →