#376AB7#376AB7

#376AB7 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 52.8% C 0.133 H 258.5°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#376AB7
RGB	rgb(55, 106, 183)
HSL	hsl(216, 54%, 47%)
HSV	hsv(216, 70%, 72%)
CMYK	cmyk(69.9%, 42.1%, 0%, 28.2%)
CIE-LAB	lab(44.99, 8.93, -45.76)
CIE-LCH	lch(44.99, 46.63, 281.04°)
OKLab	oklab(52.84% -0.0265 -0.1307)
OKLCH	oklch(52.84% 0.133 258.5)
XYZ	xyz(15.2737, 14.5376, 46.7917)
Luminance	0.1454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376AB7 #B78437

analogous

#37AAB7 #376AB7 #4437B7

triadic

#376AB7 #B7376A #6AB737

tetradic

#376AB7 #B737AA #B78437 #37B744

square

#376AB7 #B737AA #B78437 #37B744

split-complementary

#376AB7 #B74437 #AAB737

monochromatic

#1B3359 #294F88 #376AB7 #5D8ACE #8CACDC

Accessibility & contrast

On white

5.37

#376AB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#376AB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376AB7

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376AB7	#FFFFFF	#000000	##FFFFFF
##376AB7	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4671BA

Deuteranopia (green-blind)

#3065B5

Tritanopia (blue-blind)

#007C87

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #376ab7;
/* rgb */ color: rgb(55, 106, 183);
/* oklch */ color: oklch(52.8% 0.133 258.5);

Tailwind

colors: {
  custom: {
    50: '#7d94cd',
    500: '#376ab7',
    950: '#000000',
  },
}

SCSS

$custom: #376ab7;
$custom-light: #7d94cd;
$custom-dark: #000000;

JSON

{
  "hex": "#376ab7",
  "rgb": {
    "r": 55,
    "g": 106,
    "b": 183
  },
  "hsl": {
    "h": 216.094,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52839,
    "c": 0.13333,
    "h": 258.5
  },
  "luminance": 0.14539
}

Semantic roles & 50–950 ramp

primary

#376AB7

secondary

#C7AC83

accent

#A34BDD

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #376AB7

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

Preview Lab → · Contrast checker → · Palette generator →