#375BA7#375BA7

#375BA7 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.5% C 0.129 H 263.3°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#375BA7
RGB	rgb(55, 91, 167)
HSL	hsl(221, 50%, 44%)
HSV	hsv(221, 67%, 65%)
CMYK	cmyk(67.1%, 45.5%, 0%, 34.5%)
CIE-LAB	lab(39.72, 12.66, -44.80)
CIE-LCH	lch(39.72, 46.55, 285.78°)
OKLab	oklab(48.46% -0.015 -0.128)
OKLCH	oklch(48.46% 0.129 263.3)
XYZ	xyz(12.2892, 11.0832, 38.0434)
Luminance	0.1108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BA7 #A78337

analogous

#3793A7 #375BA7 #4B37A7

triadic

#375BA7 #A7375B #5BA737

tetradic

#375BA7 #A73793 #A78337 #37A74B

square

#375BA7 #A73793 #A78337 #37A74B

split-complementary

#375BA7 #A74B37 #93A737

monochromatic

#19294B #284279 #375BA7 #5479C7 #829DD6

Accessibility & contrast

On white

6.53

#375BA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#375BA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BA7

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BA7	#FFFFFF	#000000	##FFFFFF
##375BA7	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3663AA

Deuteranopia (green-blind)

#2259A5

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #375ba7;
/* rgb */ color: rgb(55, 91, 167);
/* oklch */ color: oklch(48.5% 0.129 263.3);

Tailwind

colors: {
  custom: {
    50: '#7a88c1',
    500: '#375ba7',
    950: '#000000',
  },
}

SCSS

$custom: #375ba7;
$custom-light: #7a88c1;
$custom-dark: #000000;

JSON

{
  "hex": "#375ba7",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 167
  },
  "hsl": {
    "h": 220.714,
    "s": 50.45,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48459,
    "c": 0.12893,
    "h": 263.3
  },
  "luminance": 0.11084
}

Semantic roles & 50–950 ramp

primary

#375BA7

secondary

#C0A97A

accent

#AD4EDA

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375BA7

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

Preview Lab → · Contrast checker → · Palette generator →