#375AB4#375AB4

#375AB4 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.2% C 0.149 H 265.3°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#375AB4
RGB	rgb(55, 90, 180)
HSL	hsl(223, 53%, 46%)
HSV	hsv(223, 69%, 71%)
CMYK	cmyk(69.4%, 50%, 0%, 29.4%)
CIE-LAB	lab(40.28, 18.09, -51.58)
CIE-LCH	lch(40.28, 54.66, 289.33°)
OKLab	oklab(49.15% -0.0121 -0.148)
OKLCH	oklch(49.15% 0.149 265.3)
XYZ	xyz(13.4671, 11.4185, 44.6654)
Luminance	0.1142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375AB4 #B49137

analogous

#3798B4 #375AB4 #5237B4

triadic

#375AB4 #B4375A #5AB437

tetradic

#375AB4 #B43798 #B49137 #37B452

square

#375AB4 #B43798 #B49137 #37B452

split-complementary

#375AB4 #B45237 #98B437

monochromatic

#1A2B56 #294385 #375AB4 #5B7BCD #8AA1DB

Accessibility & contrast

On white

6.39

#375AB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#375AB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375AB4

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375AB4	#FFFFFF	#000000	##FFFFFF
##375AB4	1.00	6.39	3.28	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2765B7

Deuteranopia (green-blind)

#005AB2

Tritanopia (blue-blind)

#006F7E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #375ab4;
/* rgb */ color: rgb(55, 90, 180);
/* oklch */ color: oklch(49.2% 0.149 265.3);

Tailwind

colors: {
  custom: {
    50: '#7d88cb',
    500: '#375ab4',
    950: '#000000',
  },
}

SCSS

$custom: #375ab4;
$custom-light: #7d88cb;
$custom-dark: #000000;

JSON

{
  "hex": "#375ab4",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 180
  },
  "hsl": {
    "h": 223.2,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.49154,
    "c": 0.14852,
    "h": 265.3
  },
  "luminance": 0.1142
}

Semantic roles & 50–950 ramp

primary

#375AB4

secondary

#C6B281

accent

#B44BDD

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #375AB4

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

Preview Lab → · Contrast checker → · Palette generator →