#375ED3#375ED3

#375ED3 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.3% C 0.186 H 266.1°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#375ED3
RGB	rgb(55, 94, 211)
HSL	hsl(225, 64%, 52%)
HSV	hsv(225, 74%, 83%)
CMYK	cmyk(73.9%, 55.5%, 0%, 17.3%)
CIE-LAB	lab(43.53, 26.92, -64.28)
CIE-LCH	lch(43.53, 69.69, 292.72°)
OKLab	oklab(52.31% -0.0127 -0.1853)
OKLCH	oklch(52.31% 0.186 266.1)
XYZ	xyz(17.3320, 13.5189, 63.3114)
Luminance	0.1352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375ED3 #D3AC37

analogous

#37ACD3 #375ED3 #5E37D3

triadic

#375ED3 #D3375E #5ED337

tetradic

#375ED3 #D337AC #D3AC37 #37D35E

square

#375ED3 #D337AC #D3AC37 #37D35E

split-complementary

#375ED3 #D35E37 #ACD337

monochromatic

#1A3176 #2546A8 #375ED3 #6986DE #9BAFE9

Accessibility & contrast

On white

5.67

#375ED3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#375ED3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375ED3

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375ED3	#FFFFFF	#000000	##FFFFFF
##375ED3	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED7

Deuteranopia (green-blind)

#0060D1

Tritanopia (blue-blind)

#007B8F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #375ed3;
/* rgb */ color: rgb(55, 94, 211);
/* oklch */ color: oklch(52.3% 0.186 266.1);

Tailwind

colors: {
  custom: {
    50: '#838be1',
    500: '#375ed3',
    950: '#000000',
  },
}

SCSS

$custom: #375ed3;
$custom-light: #838be1;
$custom-dark: #000000;

JSON

{
  "hex": "#375ed3",
  "rgb": {
    "r": 55,
    "g": 94,
    "b": 211
  },
  "hsl": {
    "h": 225,
    "s": 63.934,
    "l": 52.157
  },
  "oklch": {
    "l": 0.52313,
    "c": 0.18577,
    "h": 266.1
  },
  "luminance": 0.13521
}

Semantic roles & 50–950 ramp

primary

#375ED3

secondary

#D5C491

accent

#BD41E7

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375ED3

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

Preview Lab → · Contrast checker → · Palette generator →