#376DB9#376DB9

#376DB9 is a mid, vivid blue. Relative luminance 0.153; OKLCH L 53.6% C 0.133 H 257.4°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#376DB9
RGB	rgb(55, 109, 185)
HSL	hsl(215, 54%, 47%)
HSV	hsv(215, 70%, 73%)
CMYK	cmyk(70.3%, 41.1%, 0%, 27.5%)
CIE-LAB	lab(45.98, 7.77, -45.36)
CIE-LCH	lch(45.98, 46.02, 279.73°)
OKLab	oklab(53.64% -0.029 -0.1294)
OKLCH	oklch(53.64% 0.133 257.4)
XYZ	xyz(15.7980, 15.2506, 48.0006)
Luminance	0.1525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376DB9 #B98337

analogous

#37AEB9 #376DB9 #4237B9

triadic

#376DB9 #B9376D #6DB937

tetradic

#376DB9 #B937AE #B98337 #37B942

square

#376DB9 #B937AE #B98337 #37B942

split-complementary

#376DB9 #B94237 #AEB937

monochromatic

#1B355B #29518A #376DB9 #5E8DCF #8DAEDD

Accessibility & contrast

On white

5.18

#376DB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#376DB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376DB9

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376DB9	#FFFFFF	#000000	##FFFFFF
##376DB9	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4973BC

Deuteranopia (green-blind)

#3567B7

Tritanopia (blue-blind)

#007F8A

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #376db9;
/* rgb */ color: rgb(55, 109, 185);
/* oklch */ color: oklch(53.6% 0.133 257.4);

Tailwind

colors: {
  custom: {
    50: '#7d96ce',
    500: '#376db9',
    950: '#000000',
  },
}

SCSS

$custom: #376db9;
$custom-light: #7d96ce;
$custom-dark: #000000;

JSON

{
  "hex": "#376db9",
  "rgb": {
    "r": 55,
    "g": 109,
    "b": 185
  },
  "hsl": {
    "h": 215.077,
    "s": 54.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53637,
    "c": 0.13264,
    "h": 257.4
  },
  "luminance": 0.15252
}

Semantic roles & 50–950 ramp

primary

#376DB9

secondary

#C8AC84

accent

#A04ADE

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #376DB9

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

Preview Lab → · Contrast checker → · Palette generator →