#375DBE#375DBE

#375DBE is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.5% C 0.159 H 265.1°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#375DBE
RGB	rgb(55, 93, 190)
HSL	hsl(223, 55%, 48%)
HSV	hsv(223, 71%, 75%)
CMYK	cmyk(71.1%, 51.1%, 0%, 25.5%)
CIE-LAB	lab(41.78, 19.84, -55.00)
CIE-LCH	lch(41.78, 58.47, 289.83°)
OKLab	oklab(50.51% -0.0136 -0.158)
OKLCH	oklch(50.51% 0.159 265.1)
XYZ	xyz(14.7809, 12.3571, 50.3114)
Luminance	0.1236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DBE #BE9837

analogous

#37A0BE #375DBE #5437BE

triadic

#375DBE #BE375D #5DBE37

tetradic

#375DBE #BE37A0 #BE9837 #37BE54

square

#375DBE #BE37A0 #BE9837 #37BE54

split-complementary

#375DBE #BE5437 #A0BE37

monochromatic

#1C2F5F #29468F #375DBE #6181D1 #90A7DF

Accessibility & contrast

On white

6.05

#375DBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#375DBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DBE

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DBE	#FFFFFF	#000000	##FFFFFF
##375DBE	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2169C1

Deuteranopia (green-blind)

#005DBC

Tritanopia (blue-blind)

#007484

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #375dbe;
/* rgb */ color: rgb(55, 93, 190);
/* oklch */ color: oklch(50.5% 0.159 265.1);

Tailwind

colors: {
  custom: {
    50: '#7f8ad2',
    500: '#375dbe',
    950: '#000000',
  },
}

SCSS

$custom: #375dbe;
$custom-light: #7f8ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#375dbe",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 190
  },
  "hsl": {
    "h": 223.111,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.50512,
    "c": 0.15863,
    "h": 265.1
  },
  "luminance": 0.12359
}

Semantic roles & 50–950 ramp

primary

#375DBE

secondary

#CAB787

accent

#B449DE

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #375DBE

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

Preview Lab → · Contrast checker → · Palette generator →