#375FA3#375FA3

#375FA3 is a mid, moderate blue. Relative luminance 0.116; OKLCH L 49.1% C 0.118 H 260.3°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#375FA3
RGB	rgb(55, 95, 163)
HSL	hsl(218, 50%, 43%)
HSV	hsv(218, 66%, 64%)
CMYK	cmyk(66.3%, 41.7%, 0%, 36.1%)
CIE-LAB	lab(40.64, 8.61, -40.96)
CIE-LCH	lch(40.64, 41.85, 281.88°)
OKLab	oklab(49.09% -0.0198 -0.1167)
OKLCH	oklch(49.09% 0.118 260.3)
XYZ	xyz(12.2763, 11.6398, 36.2430)
Luminance	0.1164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375FA3 #A37B37

analogous

#3795A3 #375FA3 #4537A3

triadic

#375FA3 #A3375F #5FA337

tetradic

#375FA3 #A33795 #A37B37 #37A345

square

#375FA3 #A33795 #A37B37 #37A345

split-complementary

#375FA3 #A34537 #95A337

monochromatic

#182A47 #284475 #375FA3 #527DC5 #809FD4

Accessibility & contrast

On white

6.31

#375FA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#375FA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375FA3

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375FA3	#FFFFFF	#000000	##FFFFFF
##375FA3	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4065A6

Deuteranopia (green-blind)

#305BA2

Tritanopia (blue-blind)

#006F79

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #375fa3;
/* rgb */ color: rgb(55, 95, 163);
/* oklch */ color: oklch(49.1% 0.118 260.3);

Tailwind

colors: {
  custom: {
    50: '#798cbf',
    500: '#375fa3',
    950: '#000000',
  },
}

SCSS

$custom: #375fa3;
$custom-light: #798cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#375fa3",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 163
  },
  "hsl": {
    "h": 217.778,
    "s": 49.541,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49089,
    "c": 0.1184,
    "h": 260.3
  },
  "luminance": 0.11641
}

Semantic roles & 50–950 ramp

primary

#375FA3

secondary

#BEA478

accent

#A64FD9

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #375FA3

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

Preview Lab → · Contrast checker → · Palette generator →