#375A8D#375A8D

#375A8D is a mid, moderate blue. Relative luminance 0.100; OKLCH L 46.6% C 0.093 H 257.8°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#375A8D
RGB	rgb(55, 90, 141)
HSL	hsl(216, 44%, 38%)
HSV	hsv(216, 61%, 55%)
CMYK	cmyk(61%, 36.2%, 0%, 44.7%)
CIE-LAB	lab(37.93, 3.90, -32.06)
CIE-LCH	lch(37.93, 32.29, 276.93°)
OKLab	oklab(46.58% -0.0197 -0.0907)
OKLCH	oklch(46.58% 0.093 257.8)
XYZ	xyz(10.0377, 10.0468, 26.6044)
Luminance	0.1005 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375A8D #8D6A37

analogous

#37858D #375A8D #3F378D

triadic

#375A8D #8D375A #5A8D37

tetradic

#375A8D #8D3785 #8D6A37 #378D3F

square

#375A8D #8D3785 #8D6A37 #378D3F

split-complementary

#375A8D #8D3F37 #858D37

monochromatic

#152235 #263E61 #375A8D #4976B8 #7597C9

Accessibility & contrast

On white

6.98

#375A8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#375A8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375A8D

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375A8D	#FFFFFF	#000000	##FFFFFF
##375A8D	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#455E8F

Deuteranopia (green-blind)

#39568C

Tritanopia (blue-blind)

#00656D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #375a8d;
/* rgb */ color: rgb(55, 90, 141);
/* oklch */ color: oklch(46.6% 0.093 257.8);

Tailwind

colors: {
  custom: {
    50: '#7588ae',
    500: '#375a8d',
    950: '#000000',
  },
}

SCSS

$custom: #375a8d;
$custom-light: #7588ae;
$custom-dark: #000000;

JSON

{
  "hex": "#375a8d",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 141
  },
  "hsl": {
    "h": 215.581,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.46583,
    "c": 0.09285,
    "h": 257.8
  },
  "luminance": 0.10048
}

Semantic roles & 50–950 ramp

primary

#375A8D

secondary

#B2966E

accent

#A054D4

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #375A8D

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

Preview Lab → · Contrast checker → · Palette generator →