#375AB9#375AB9

#375AB9 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.5% C 0.155 H 265.7°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#375AB9
RGB	rgb(55, 90, 185)
HSL	hsl(224, 54%, 47%)
HSV	hsv(224, 70%, 73%)
CMYK	cmyk(70.3%, 51.4%, 0%, 27.5%)
CIE-LAB	lab(40.62, 19.94, -53.96)
CIE-LCH	lch(40.62, 57.53, 290.28°)
OKLab	oklab(49.52% -0.0115 -0.155)
OKLCH	oklch(49.52% 0.155 265.7)
XYZ	xyz(13.9856, 11.6259, 47.3965)
Luminance	0.1163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375AB9 #B99637

analogous

#379BB9 #375AB9 #5537B9

triadic

#375AB9 #B9375A #5AB937

tetradic

#375AB9 #B9379B #B99637 #37B955

square

#375AB9 #B9379B #B99637 #37B955

split-complementary

#375AB9 #B95537 #9BB937

monochromatic

#1B2C5B #29438A #375AB9 #5E7DCF #8DA3DD

Accessibility & contrast

On white

6.32

#375AB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#375AB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375AB9

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375AB9	#FFFFFF	#000000	##FFFFFF
##375AB9	1.00	6.32	3.33	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F66BC

Deuteranopia (green-blind)

#005AB7

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #375ab9;
/* rgb */ color: rgb(55, 90, 185);
/* oklch */ color: oklch(49.5% 0.155 265.7);

Tailwind

colors: {
  custom: {
    50: '#7e88cf',
    500: '#375ab9',
    950: '#000000',
  },
}

SCSS

$custom: #375ab9;
$custom-light: #7e88cf;
$custom-dark: #000000;

JSON

{
  "hex": "#375ab9",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 185
  },
  "hsl": {
    "h": 223.846,
    "s": 54.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.49519,
    "c": 0.15546,
    "h": 265.7
  },
  "luminance": 0.11627
}

Semantic roles & 50–950 ramp

primary

#375AB9

secondary

#C8B584

accent

#B64ADE

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #375AB9

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

Preview Lab → · Contrast checker → · Palette generator →