#375BB6#375BB6

#375BB6 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.5% C 0.150 H 265.1°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#375BB6
RGB	rgb(55, 91, 182)
HSL	hsl(223, 54%, 46%)
HSV	hsv(223, 70%, 71%)
CMYK	cmyk(69.8%, 50%, 0%, 28.6%)
CIE-LAB	lab(40.69, 18.18, -52.09)
CIE-LCH	lch(40.69, 55.17, 289.24°)
OKLab	oklab(49.51% -0.0128 -0.1495)
OKLCH	oklch(49.51% 0.15 265.1)
XYZ	xyz(13.7572, 11.6704, 45.7745)
Luminance	0.1167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BB6 #B69237

analogous

#379BB6 #375BB6 #5337B6

triadic

#375BB6 #B6375B #5BB637

tetradic

#375BB6 #B6379B #B69237 #37B653

square

#375BB6 #B6379B #B69237 #37B653

split-complementary

#375BB6 #B65337 #9BB637

monochromatic

#1B2C58 #294487 #375BB6 #5C7DCE #8BA2DC

Accessibility & contrast

On white

6.30

#375BB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#375BB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BB6

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BB6	#FFFFFF	#000000	##FFFFFF
##375BB6	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2766B9

Deuteranopia (green-blind)

#005AB4

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #375bb6;
/* rgb */ color: rgb(55, 91, 182);
/* oklch */ color: oklch(49.5% 0.150 265.1);

Tailwind

colors: {
  custom: {
    50: '#7d88cc',
    500: '#375bb6',
    950: '#000000',
  },
}

SCSS

$custom: #375bb6;
$custom-light: #7d88cc;
$custom-dark: #000000;

JSON

{
  "hex": "#375bb6",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 182
  },
  "hsl": {
    "h": 222.992,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.49509,
    "c": 0.15005,
    "h": 265.1
  },
  "luminance": 0.11672
}

Semantic roles & 50–950 ramp

primary

#375BB6

secondary

#C6B382

accent

#B44BDD

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #375BB6

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

Preview Lab → · Contrast checker → · Palette generator →