#376BB5#376BB5

#376BB5 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 52.9% C 0.129 H 257.5°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#376BB5
RGB	rgb(55, 107, 181)
HSL	hsl(215, 53%, 46%)
HSV	hsv(215, 70%, 71%)
CMYK	cmyk(69.6%, 40.9%, 0%, 29%)
CIE-LAB	lab(45.17, 7.57, -44.32)
CIE-LCH	lch(45.17, 44.96, 279.69°)
OKLab	oklab(52.94% -0.0279 -0.1264)
OKLCH	oklch(52.94% 0.129 257.5)
XYZ	xyz(15.1707, 14.6622, 45.7377)
Luminance	0.1466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376BB5 #B58137

analogous

#37AAB5 #376BB5 #4237B5

triadic

#376BB5 #B5376B #6BB537

tetradic

#376BB5 #B537AA #B58137 #37B542

square

#376BB5 #B537AA #B58137 #37B542

split-complementary

#376BB5 #B54237 #AAB537

monochromatic

#1A3457 #294F86 #376BB5 #5C8BCD #8BACDC

Accessibility & contrast

On white

5.34

#376BB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#376BB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376BB5

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376BB5	#FFFFFF	#000000	##FFFFFF
##376BB5	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4971B8

Deuteranopia (green-blind)

#3565B3

Tritanopia (blue-blind)

#007C87

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #376bb5;
/* rgb */ color: rgb(55, 107, 181);
/* oklch */ color: oklch(52.9% 0.129 257.5);

Tailwind

colors: {
  custom: {
    50: '#7c94cb',
    500: '#376bb5',
    950: '#000000',
  },
}

SCSS

$custom: #376bb5;
$custom-light: #7c94cb;
$custom-dark: #000000;

JSON

{
  "hex": "#376bb5",
  "rgb": {
    "r": 55,
    "g": 107,
    "b": 181
  },
  "hsl": {
    "h": 215.238,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52936,
    "c": 0.12947,
    "h": 257.5
  },
  "luminance": 0.14664
}

Semantic roles & 50–950 ramp

primary

#376BB5

secondary

#C6AA82

accent

#A14BDD

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #376BB5

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

Preview Lab → · Contrast checker → · Palette generator →