#376AB3#376AB3

#376AB3 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 52.6% C 0.128 H 257.6°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#376AB3
RGB	rgb(55, 106, 179)
HSL	hsl(215, 53%, 46%)
HSV	hsv(215, 69%, 70%)
CMYK	cmyk(69.3%, 40.8%, 0%, 29.8%)
CIE-LAB	lab(44.76, 7.47, -43.80)
CIE-LCH	lch(44.76, 44.43, 279.67°)
OKLab	oklab(52.59% -0.0274 -0.1249)
OKLCH	oklch(52.59% 0.128 257.6)
XYZ	xyz(14.8633, 14.3734, 44.6301)
Luminance	0.1437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376AB3 #B38037

analogous

#37A8B3 #376AB3 #4237B3

triadic

#376AB3 #B3376A #6AB337

tetradic

#376AB3 #B337A8 #B38037 #37B342

square

#376AB3 #B337A8 #B38037 #37B342

split-complementary

#376AB3 #B34237 #A8B337

monochromatic

#1A3355 #294E84 #376AB3 #5B8ACD #8AABDB

Accessibility & contrast

On white

5.42

#376AB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#376AB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376AB3

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376AB3	#FFFFFF	#000000	##FFFFFF
##376AB3	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4870B6

Deuteranopia (green-blind)

#3565B2

Tritanopia (blue-blind)

#007B86

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #376ab3;
/* rgb */ color: rgb(55, 106, 179);
/* oklch */ color: oklch(52.6% 0.128 257.6);

Tailwind

colors: {
  custom: {
    50: '#7c94ca',
    500: '#376ab3',
    950: '#000000',
  },
}

SCSS

$custom: #376ab3;
$custom-light: #7c94ca;
$custom-dark: #000000;

JSON

{
  "hex": "#376ab3",
  "rgb": {
    "r": 55,
    "g": 106,
    "b": 179
  },
  "hsl": {
    "h": 215.323,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52586,
    "c": 0.12787,
    "h": 257.6
  },
  "luminance": 0.14375
}

Semantic roles & 50–950 ramp

primary

#376AB3

secondary

#C5A981

accent

#A14BDC

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #376AB3

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

Preview Lab → · Contrast checker → · Palette generator →