#376FE5#376FE5

#376FE5 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.1% C 0.189 H 262.8°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#376FE5
RGB	rgb(55, 111, 229)
HSL	hsl(221, 77%, 56%)
HSV	hsv(221, 76%, 90%)
CMYK	cmyk(76%, 51.5%, 0%, 10.2%)
CIE-LAB	lab(49.30, 22.72, -65.16)
CIE-LCH	lch(49.30, 69.01, 289.22°)
OKLab	oklab(57.08% -0.0237 -0.1876)
OKLCH	oklch(57.08% 0.189 262.8)
XYZ	xyz(21.3978, 17.8358, 76.4285)
Luminance	0.1784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376FE5 #E5AD37

analogous

#37C6E5 #376FE5 #5637E5

triadic

#376FE5 #E5376F #6FE537

tetradic

#376FE5 #E537C6 #E5AD37 #37E556

square

#376FE5 #E537C6 #E5AD37 #37E556

split-complementary

#376FE5 #E55637 #C6E537

monochromatic

#133B8F #1A51C5 #376FE5 #6D96EC #A3BDF3

Accessibility & contrast

On white

4.60

#376FE5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#376FE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #376FE5

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376FE5	#FFFFFF	#000000	##FFFFFF
##376FE5	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D7EE9

Deuteranopia (green-blind)

#006EE3

Tritanopia (blue-blind)

#008C9F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #376fe5;
/* rgb */ color: rgb(55, 111, 229);
/* oklch */ color: oklch(57.1% 0.189 262.8);

Tailwind

colors: {
  custom: {
    50: '#8697ee',
    500: '#376fe5',
    950: '#000000',
  },
}

SCSS

$custom: #376fe5;
$custom-light: #8697ee;
$custom-dark: #000000;

JSON

{
  "hex": "#376fe5",
  "rgb": {
    "r": 55,
    "g": 111,
    "b": 229
  },
  "hsl": {
    "h": 220.69,
    "s": 76.991,
    "l": 55.686
  },
  "oklch": {
    "l": 0.57076,
    "c": 0.18913,
    "h": 262.8
  },
  "luminance": 0.17838
}

Semantic roles & 50–950 ramp

primary

#376FE5

secondary

#E0C998

accent

#B634F4

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #376FE5

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

Preview Lab → · Contrast checker → · Palette generator →