#375CB5#375CB5

#375CB5 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.6% C 0.147 H 264.6°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#375CB5
RGB	rgb(55, 92, 181)
HSL	hsl(222, 53%, 46%)
HSV	hsv(222, 70%, 71%)
CMYK	cmyk(69.6%, 49.2%, 0%, 29%)
CIE-LAB	lab(40.90, 17.16, -51.16)
CIE-LCH	lch(40.90, 53.96, 288.54°)
OKLab	oklab(49.65% -0.0138 -0.1468)
OKLCH	oklch(49.65% 0.147 264.6)
XYZ	xyz(13.7403, 11.8013, 45.2609)
Luminance	0.1180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CB5 #B59037

analogous

#379BB5 #375CB5 #5137B5

triadic

#375CB5 #B5375C #5CB537

tetradic

#375CB5 #B5379B #B59037 #37B551

square

#375CB5 #B5379B #B59037 #37B551

split-complementary

#375CB5 #B55137 #9BB537

monochromatic

#1A2C57 #294486 #375CB5 #5C7DCD #8BA2DC

Accessibility & contrast

On white

6.25

#375CB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#375CB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CB5

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CB5	#FFFFFF	#000000	##FFFFFF
##375CB5	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B67B8

Deuteranopia (green-blind)

#035BB3

Tritanopia (blue-blind)

#007180

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #375cb5;
/* rgb */ color: rgb(55, 92, 181);
/* oklch */ color: oklch(49.6% 0.147 264.6);

Tailwind

colors: {
  custom: {
    50: '#7d89cc',
    500: '#375cb5',
    950: '#000000',
  },
}

SCSS

$custom: #375cb5;
$custom-light: #7d89cc;
$custom-dark: #000000;

JSON

{
  "hex": "#375cb5",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 181
  },
  "hsl": {
    "h": 222.381,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.49649,
    "c": 0.14741,
    "h": 264.6
  },
  "luminance": 0.11803
}

Semantic roles & 50–950 ramp

primary

#375CB5

secondary

#C6B282

accent

#B24BDD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #375CB5

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

Preview Lab → · Contrast checker → · Palette generator →