#375D8D#375D8D

#375D8D is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 47.3% C 0.090 H 255.0°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#375D8D
RGB	rgb(55, 93, 141)
HSL	hsl(213, 44%, 38%)
HSV	hsv(213, 61%, 55%)
CMYK	cmyk(61%, 34%, 0%, 44.7%)
CIE-LAB	lab(38.83, 1.99, -30.63)
CIE-LCH	lch(38.83, 30.69, 273.72°)
OKLab	oklab(47.29% -0.0232 -0.0865)
OKLCH	oklch(47.29% 0.09 255)
XYZ	xyz(10.2959, 10.5631, 26.6904)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375D8D #8D6737

analogous

#37888D #375D8D #3C378D

triadic

#375D8D #8D375D #5D8D37

tetradic

#375D8D #8D3788 #8D6737 #378D3C

square

#375D8D #8D3788 #8D6737 #378D3C

split-complementary

#375D8D #8D3C37 #888D37

monochromatic

#152335 #264061 #375D8D #497AB8 #759AC9

Accessibility & contrast

On white

6.75

#375D8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#375D8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375D8D

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375D8D	#FFFFFF	#000000	##FFFFFF
##375D8D	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49608F

Deuteranopia (green-blind)

#3E588C

Tritanopia (blue-blind)

#00686E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #375d8d;
/* rgb */ color: rgb(55, 93, 141);
/* oklch */ color: oklch(47.3% 0.090 255.0);

Tailwind

colors: {
  custom: {
    50: '#758aae',
    500: '#375d8d',
    950: '#000000',
  },
}

SCSS

$custom: #375d8d;
$custom-light: #758aae;
$custom-dark: #000000;

JSON

{
  "hex": "#375d8d",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 141
  },
  "hsl": {
    "h": 213.488,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.47292,
    "c": 0.08958,
    "h": 255
  },
  "luminance": 0.10564
}

Semantic roles & 50–950 ramp

primary

#375D8D

secondary

#B2946E

accent

#9B54D4

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #375D8D

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

Preview Lab → · Contrast checker → · Palette generator →