#375AB5#375AB5

#375AB5 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.2% C 0.150 H 265.4°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#375AB5
RGB	rgb(55, 90, 181)
HSL	hsl(223, 53%, 46%)
HSV	hsv(223, 70%, 71%)
CMYK	cmyk(69.6%, 50.3%, 0%, 29%)
CIE-LAB	lab(40.34, 18.46, -52.06)
CIE-LCH	lch(40.34, 55.23, 289.53°)
OKLab	oklab(49.23% -0.012 -0.1494)
OKLCH	oklch(49.23% 0.15 265.4)
XYZ	xyz(13.5693, 11.4594, 45.2039)
Luminance	0.1146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375AB5 #B59237

analogous

#3799B5 #375AB5 #5337B5

triadic

#375AB5 #B5375A #5AB537

tetradic

#375AB5 #B53799 #B59237 #37B553

square

#375AB5 #B53799 #B59237 #37B553

split-complementary

#375AB5 #B55337 #99B537

monochromatic

#1A2B57 #294386 #375AB5 #5C7BCD #8BA1DC

Accessibility & contrast

On white

6.38

#375AB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#375AB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375AB5

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375AB5	#FFFFFF	#000000	##FFFFFF
##375AB5	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2565B8

Deuteranopia (green-blind)

#005AB3

Tritanopia (blue-blind)

#006F7F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #375ab5;
/* rgb */ color: rgb(55, 90, 181);
/* oklch */ color: oklch(49.2% 0.150 265.4);

Tailwind

colors: {
  custom: {
    50: '#7d88cc',
    500: '#375ab5',
    950: '#000000',
  },
}

SCSS

$custom: #375ab5;
$custom-light: #7d88cc;
$custom-dark: #000000;

JSON

{
  "hex": "#375ab5",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 181
  },
  "hsl": {
    "h": 223.333,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.49226,
    "c": 0.1499,
    "h": 265.4
  },
  "luminance": 0.11461
}

Semantic roles & 50–950 ramp

primary

#375AB5

secondary

#C6B382

accent

#B44BDD

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #375AB5

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

Preview Lab → · Contrast checker → · Palette generator →