#375DD5#375DD5

#375DD5 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.3% C 0.190 H 266.4°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#375DD5
RGB	rgb(55, 93, 213)
HSL	hsl(226, 65%, 53%)
HSV	hsv(226, 74%, 84%)
CMYK	cmyk(74.2%, 56.3%, 0%, 16.5%)
CIE-LAB	lab(43.42, 28.29, -65.61)
CIE-LCH	lch(43.42, 71.45, 293.32°)
OKLab	oklab(52.28% -0.0118 -0.1892)
OKLCH	oklch(52.28% 0.19 266.4)
XYZ	xyz(17.4959, 13.4431, 64.6106)
Luminance	0.1344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DD5 #D5AF37

analogous

#37ACD5 #375DD5 #6037D5

triadic

#375DD5 #D5375D #5DD537

tetradic

#375DD5 #D537AC #D5AF37 #37D560

square

#375DD5 #D537AC #D5AF37 #37D560

split-complementary

#375DD5 #D56037 #ACD537

monochromatic

#193078 #2444AB #375DD5 #6A86E0 #9CAFEA

Accessibility & contrast

On white

5.69

#375DD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#375DD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DD5

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DD5	#FFFFFF	#000000	##FFFFFF
##375DD5	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED9

Deuteranopia (green-blind)

#0060D3

Tritanopia (blue-blind)

#007B90

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #375dd5;
/* rgb */ color: rgb(55, 93, 213);
/* oklch */ color: oklch(52.3% 0.190 266.4);

Tailwind

colors: {
  custom: {
    50: '#838ae3',
    500: '#375dd5',
    950: '#000000',
  },
}

SCSS

$custom: #375dd5;
$custom-light: #838ae3;
$custom-dark: #000000;

JSON

{
  "hex": "#375dd5",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 213
  },
  "hsl": {
    "h": 225.57,
    "s": 65.289,
    "l": 52.549
  },
  "oklch": {
    "l": 0.52276,
    "c": 0.18962,
    "h": 266.4
  },
  "luminance": 0.13445
}

Semantic roles & 50–950 ramp

primary

#375DD5

secondary

#D6C692

accent

#C040E8

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0B15

muted

#7D7C84

Preview Lab

Preview with #375DD5

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

Preview Lab → · Contrast checker → · Palette generator →