#375CA5#375CA5

#375CA5 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.5% C 0.125 H 262.5°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#375CA5
RGB	rgb(55, 92, 165)
HSL	hsl(220, 50%, 43%)
HSV	hsv(220, 67%, 65%)
CMYK	cmyk(66.7%, 44.2%, 0%, 35.3%)
CIE-LAB	lab(39.89, 11.28, -43.34)
CIE-LCH	lch(39.89, 44.79, 284.58°)
OKLab	oklab(48.55% -0.0164 -0.1238)
OKLCH	oklch(48.55% 0.125 262.5)
XYZ	xyz(12.1918, 11.1820, 37.1058)
Luminance	0.1118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CA5 #A58037

analogous

#3793A5 #375CA5 #4937A5

triadic

#375CA5 #A5375C #5CA537

tetradic

#375CA5 #A53793 #A58037 #37A549

square

#375CA5 #A53793 #A58037 #37A549

split-complementary

#375CA5 #A54937 #93A537

monochromatic

#182949 #284277 #375CA5 #537AC6 #819DD5

Accessibility & contrast

On white

6.49

#375CA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#375CA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CA5

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CA5	#FFFFFF	#000000	##FFFFFF
##375CA5	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3963A8

Deuteranopia (green-blind)

#2759A3

Tritanopia (blue-blind)

#006D78

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #375ca5;
/* rgb */ color: rgb(55, 92, 165);
/* oklch */ color: oklch(48.5% 0.125 262.5);

Tailwind

colors: {
  custom: {
    50: '#7a89c0',
    500: '#375ca5',
    950: '#000000',
  },
}

SCSS

$custom: #375ca5;
$custom-light: #7a89c0;
$custom-dark: #000000;

JSON

{
  "hex": "#375ca5",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 165
  },
  "hsl": {
    "h": 219.818,
    "s": 50,
    "l": 43.137
  },
  "oklch": {
    "l": 0.48546,
    "c": 0.12485,
    "h": 262.5
  },
  "luminance": 0.11183
}

Semantic roles & 50–950 ramp

primary

#375CA5

secondary

#BFA779

accent

#AB4EDA

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375CA5

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

Preview Lab → · Contrast checker → · Palette generator →