#375AB7#375AB7

#375AB7 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.4% C 0.153 H 265.6°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#375AB7
RGB	rgb(55, 90, 183)
HSL	hsl(224, 54%, 47%)
HSV	hsv(224, 70%, 72%)
CMYK	cmyk(69.9%, 50.8%, 0%, 28.2%)
CIE-LAB	lab(40.48, 19.20, -53.01)
CIE-LCH	lch(40.48, 56.38, 289.91°)
OKLab	oklab(49.37% -0.0118 -0.1522)
OKLCH	oklch(49.37% 0.153 265.6)
XYZ	xyz(13.7760, 11.5421, 46.2924)
Luminance	0.1154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375AB7 #B79437

analogous

#379AB7 #375AB7 #5437B7

triadic

#375AB7 #B7375A #5AB737

tetradic

#375AB7 #B7379A #B79437 #37B754

square

#375AB7 #B7379A #B79437 #37B754

split-complementary

#375AB7 #B75437 #9AB737

monochromatic

#1B2C59 #294388 #375AB7 #5D7CCE #8CA2DC

Accessibility & contrast

On white

6.35

#375AB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#375AB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375AB7

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375AB7	#FFFFFF	#000000	##FFFFFF
##375AB7	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2366BA

Deuteranopia (green-blind)

#005AB5

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #375ab7;
/* rgb */ color: rgb(55, 90, 183);
/* oklch */ color: oklch(49.4% 0.153 265.6);

Tailwind

colors: {
  custom: {
    50: '#7d88cd',
    500: '#375ab7',
    950: '#000000',
  },
}

SCSS

$custom: #375ab7;
$custom-light: #7d88cd;
$custom-dark: #000000;

JSON

{
  "hex": "#375ab7",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 183
  },
  "hsl": {
    "h": 223.594,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.49372,
    "c": 0.15269,
    "h": 265.6
  },
  "luminance": 0.11543
}

Semantic roles & 50–950 ramp

primary

#375AB7

secondary

#C7B483

accent

#B54BDD

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #375AB7

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

Preview Lab → · Contrast checker → · Palette generator →