#376BB4#376BB4

#376BB4 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 52.9% C 0.128 H 257.3°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#376BB4
RGB	rgb(55, 107, 180)
HSL	hsl(215, 53%, 46%)
HSV	hsv(215, 69%, 71%)
CMYK	cmyk(69.4%, 40.6%, 0%, 29.4%)
CIE-LAB	lab(45.11, 7.20, -43.83)
CIE-LCH	lch(45.11, 44.42, 279.33°)
OKLab	oklab(52.87% -0.0282 -0.125)
OKLCH	oklch(52.87% 0.128 257.3)
XYZ	xyz(15.0685, 14.6213, 45.1992)
Luminance	0.1462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376BB4 #B48037

analogous

#37A9B4 #376BB4 #4137B4

triadic

#376BB4 #B4376B #6BB437

tetradic

#376BB4 #B437A9 #B48037 #37B441

square

#376BB4 #B437A9 #B48037 #37B441

split-complementary

#376BB4 #B44137 #A9B437

monochromatic

#1A3356 #294F85 #376BB4 #5B8BCD #8AACDB

Accessibility & contrast

On white

5.35

#376BB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#376BB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376BB4

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376BB4	#FFFFFF	#000000	##FFFFFF
##376BB4	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4971B7

Deuteranopia (green-blind)

#3665B3

Tritanopia (blue-blind)

#007C87

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #376bb4;
/* rgb */ color: rgb(55, 107, 180);
/* oklch */ color: oklch(52.9% 0.128 257.3);

Tailwind

colors: {
  custom: {
    50: '#7c94cb',
    500: '#376bb4',
    950: '#000000',
  },
}

SCSS

$custom: #376bb4;
$custom-light: #7c94cb;
$custom-dark: #000000;

JSON

{
  "hex": "#376bb4",
  "rgb": {
    "r": 55,
    "g": 107,
    "b": 180
  },
  "hsl": {
    "h": 215.04,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52874,
    "c": 0.12811,
    "h": 257.3
  },
  "luminance": 0.14623
}

Semantic roles & 50–950 ramp

primary

#376BB4

secondary

#C6A981

accent

#A04BDD

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #376BB4

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

Preview Lab → · Contrast checker → · Palette generator →