#375ED5#375ED5

#375ED5 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.5% C 0.188 H 266.2°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#375ED5
RGB	rgb(55, 94, 213)
HSL	hsl(225, 65%, 53%)
HSV	hsv(225, 74%, 84%)
CMYK	cmyk(74.2%, 55.9%, 0%, 16.5%)
CIE-LAB	lab(43.68, 27.65, -65.19)
CIE-LCH	lch(43.68, 70.81, 292.99°)
OKLab	oklab(52.47% -0.0125 -0.188)
OKLCH	oklch(52.47% 0.188 266.2)
XYZ	xyz(17.5843, 13.6198, 64.6400)
Luminance	0.1362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375ED5 #D5AE37

analogous

#37ADD5 #375ED5 #5F37D5

triadic

#375ED5 #D5375E #5ED537

tetradic

#375ED5 #D537AD #D5AE37 #37D55F

square

#375ED5 #D537AD #D5AE37 #37D55F

split-complementary

#375ED5 #D55F37 #ADD537

monochromatic

#193178 #2445AB #375ED5 #6A87E0 #9CAFEA

Accessibility & contrast

On white

5.64

#375ED5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#375ED5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375ED5

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375ED5	#FFFFFF	#000000	##FFFFFF
##375ED5	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD9

Deuteranopia (green-blind)

#0060D3

Tritanopia (blue-blind)

#007B90

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #375ed5;
/* rgb */ color: rgb(55, 94, 213);
/* oklch */ color: oklch(52.5% 0.188 266.2);

Tailwind

colors: {
  custom: {
    50: '#838be3',
    500: '#375ed5',
    950: '#000000',
  },
}

SCSS

$custom: #375ed5;
$custom-light: #838be3;
$custom-dark: #000000;

JSON

{
  "hex": "#375ed5",
  "rgb": {
    "r": 55,
    "g": 94,
    "b": 213
  },
  "hsl": {
    "h": 225.19,
    "s": 65.289,
    "l": 52.549
  },
  "oklch": {
    "l": 0.5247,
    "c": 0.18842,
    "h": 266.2
  },
  "luminance": 0.13622
}

Semantic roles & 50–950 ramp

primary

#375ED5

secondary

#D6C592

accent

#BF40E8

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0B15

muted

#7D7C84

Preview Lab

Preview with #375ED5

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

Preview Lab → · Contrast checker → · Palette generator →