#375CA3#375CA3

#375CA3 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.4% C 0.122 H 262.1°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#375CA3
RGB	rgb(55, 92, 163)
HSL	hsl(219, 50%, 43%)
HSV	hsv(219, 66%, 64%)
CMYK	cmyk(66.3%, 43.6%, 0%, 36.1%)
CIE-LAB	lab(39.76, 10.55, -42.35)
CIE-LCH	lch(39.76, 43.64, 283.98°)
OKLab	oklab(48.41% -0.0168 -0.1208)
OKLCH	oklch(48.41% 0.122 262.1)
XYZ	xyz(12.0112, 11.1097, 36.1546)
Luminance	0.1111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CA3 #A37E37

analogous

#3792A3 #375CA3 #4837A3

triadic

#375CA3 #A3375C #5CA337

tetradic

#375CA3 #A33792 #A37E37 #37A348

square

#375CA3 #A33792 #A37E37 #37A348

split-complementary

#375CA3 #A34837 #92A337

monochromatic

#182847 #284275 #375CA3 #527AC5 #809DD4

Accessibility & contrast

On white

6.52

#375CA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#375CA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CA3

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CA3	#FFFFFF	#000000	##FFFFFF
##375CA3	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B63A6

Deuteranopia (green-blind)

#2959A2

Tritanopia (blue-blind)

#006C77

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #375ca3;
/* rgb */ color: rgb(55, 92, 163);
/* oklch */ color: oklch(48.4% 0.122 262.1);

Tailwind

colors: {
  custom: {
    50: '#7989bf',
    500: '#375ca3',
    950: '#000000',
  },
}

SCSS

$custom: #375ca3;
$custom-light: #7989bf;
$custom-dark: #000000;

JSON

{
  "hex": "#375ca3",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 163
  },
  "hsl": {
    "h": 219.444,
    "s": 49.541,
    "l": 42.745
  },
  "oklch": {
    "l": 0.48414,
    "c": 0.12201,
    "h": 262.1
  },
  "luminance": 0.11111
}

Semantic roles & 50–950 ramp

primary

#375CA3

secondary

#BEA678

accent

#AA4FD9

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375CA3

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

Preview Lab → · Contrast checker → · Palette generator →