#375DD2#375DD2

#375DD2 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.0% C 0.186 H 266.3°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#375DD2
RGB	rgb(55, 93, 210)
HSL	hsl(225, 63%, 52%)
HSV	hsv(225, 74%, 82%)
CMYK	cmyk(73.8%, 55.7%, 0%, 17.6%)
CIE-LAB	lab(43.20, 27.19, -64.26)
CIE-LCH	lch(43.20, 69.77, 292.94°)
OKLab	oklab(52.04% -0.012 -0.1853)
OKLCH	oklch(52.04% 0.186 266.3)
XYZ	xyz(17.1187, 13.2922, 62.6237)
Luminance	0.1329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DD2 #D2AC37

analogous

#37ABD2 #375DD2 #5F37D2

triadic

#375DD2 #D2375D #5DD237

tetradic

#375DD2 #D237AB #D2AC37 #37D25F

square

#375DD2 #D237AB #D2AC37 #37D25F

split-complementary

#375DD2 #D25F37 #ABD237

monochromatic

#1A3074 #2545A6 #375DD2 #6985DD #9BAEE8

Accessibility & contrast

On white

5.74

#375DD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#375DD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DD2

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DD2	#FFFFFF	#000000	##FFFFFF
##375DD2	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD6

Deuteranopia (green-blind)

#005FD0

Tritanopia (blue-blind)

#007A8E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #375dd2;
/* rgb */ color: rgb(55, 93, 210);
/* oklch */ color: oklch(52.0% 0.186 266.3);

Tailwind

colors: {
  custom: {
    50: '#838ae1',
    500: '#375dd2',
    950: '#000000',
  },
}

SCSS

$custom: #375dd2;
$custom-light: #838ae1;
$custom-dark: #000000;

JSON

{
  "hex": "#375dd2",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 210
  },
  "hsl": {
    "h": 225.29,
    "s": 63.265,
    "l": 51.961
  },
  "oklch": {
    "l": 0.52038,
    "c": 0.18566,
    "h": 266.3
  },
  "luminance": 0.13294
}

Semantic roles & 50–950 ramp

primary

#375DD2

secondary

#D4C490

accent

#BE41E6

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375DD2

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

Preview Lab → · Contrast checker → · Palette generator →