#375DA8#375DA8

#375DA8 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.0% C 0.128 H 262.4°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#375DA8
RGB	rgb(55, 93, 168)
HSL	hsl(220, 51%, 44%)
HSV	hsv(220, 67%, 66%)
CMYK	cmyk(67.3%, 44.6%, 0%, 34.1%)
CIE-LAB	lab(40.36, 11.73, -44.37)
CIE-LCH	lch(40.36, 45.90, 284.81°)
OKLab	oklab(48.97% -0.0168 -0.1268)
OKLCH	oklch(48.97% 0.128 262.4)
XYZ	xyz(12.5553, 11.4669, 38.5899)
Luminance	0.1147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DA8 #A88237

analogous

#3795A8 #375DA8 #4937A8

triadic

#375DA8 #A8375D #5DA837

tetradic

#375DA8 #A83795 #A88237 #37A849

square

#375DA8 #A83795 #A88237 #37A849

split-complementary

#375DA8 #A84937 #95A837

monochromatic

#192A4C #28437A #375DA8 #557BC7 #839FD6

Accessibility & contrast

On white

6.38

#375DA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#375DA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DA8

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DA8	#FFFFFF	#000000	##FFFFFF
##375DA8	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3965AB

Deuteranopia (green-blind)

#265AA6

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #375da8;
/* rgb */ color: rgb(55, 93, 168);
/* oklch */ color: oklch(49.0% 0.128 262.4);

Tailwind

colors: {
  custom: {
    50: '#7a8ac2',
    500: '#375da8',
    950: '#000000',
  },
}

SCSS

$custom: #375da8;
$custom-light: #7a8ac2;
$custom-dark: #000000;

JSON

{
  "hex": "#375da8",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 168
  },
  "hsl": {
    "h": 219.823,
    "s": 50.673,
    "l": 43.725
  },
  "oklch": {
    "l": 0.48968,
    "c": 0.12788,
    "h": 262.4
  },
  "luminance": 0.11468
}

Semantic roles & 50–950 ramp

primary

#375DA8

secondary

#C0A97B

accent

#AB4EDA

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375DA8

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

Preview Lab → · Contrast checker → · Palette generator →