#375FA9#375FA9

#375FA9 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.5% C 0.127 H 261.6°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#375FA9
RGB	rgb(55, 95, 169)
HSL	hsl(219, 51%, 44%)
HSV	hsv(219, 67%, 66%)
CMYK	cmyk(67.5%, 43.8%, 0%, 33.7%)
CIE-LAB	lab(40.99, 10.81, -43.94)
CIE-LCH	lch(40.99, 45.25, 283.82°)
OKLab	oklab(49.48% -0.0186 -0.1255)
OKLCH	oklch(49.48% 0.127 261.6)
XYZ	xyz(12.8267, 11.8600, 39.1417)
Luminance	0.1186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375FA9 #A98137

analogous

#3798A9 #375FA9 #4837A9

triadic

#375FA9 #A9375F #5FA937

tetradic

#375FA9 #A93798 #A98137 #37A948

square

#375FA9 #A93798 #A98137 #37A948

split-complementary

#375FA9 #A94837 #98A937

monochromatic

#192B4D #28457B #375FA9 #557EC8 #84A1D7

Accessibility & contrast

On white

6.23

#375FA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#375FA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375FA9

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375FA9	#FFFFFF	#000000	##FFFFFF
##375FA9	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C66AC

Deuteranopia (green-blind)

#295CA7

Tritanopia (blue-blind)

#00707C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #375fa9;
/* rgb */ color: rgb(55, 95, 169);
/* oklch */ color: oklch(49.5% 0.127 261.6);

Tailwind

colors: {
  custom: {
    50: '#7a8bc3',
    500: '#375fa9',
    950: '#000000',
  },
}

SCSS

$custom: #375fa9;
$custom-light: #7a8bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#375fa9",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 169
  },
  "hsl": {
    "h": 218.947,
    "s": 50.893,
    "l": 43.922
  },
  "oklch": {
    "l": 0.49478,
    "c": 0.12687,
    "h": 261.6
  },
  "luminance": 0.11861
}

Semantic roles & 50–950 ramp

primary

#375FA9

secondary

#C0A87B

accent

#A94DDA

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #375FA9

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

Preview Lab → · Contrast checker → · Palette generator →