#376FB5#376FB5

#376FB5 is a mid, vivid cyan. Relative luminance 0.155; OKLCH L 53.8% C 0.125 H 255.2°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#376FB5
RGB	rgb(55, 111, 181)
HSL	hsl(213, 53%, 46%)
HSV	hsv(213, 70%, 71%)
CMYK	cmyk(69.6%, 38.7%, 0%, 29%)
CIE-LAB	lab(46.33, 5.07, -42.47)
CIE-LCH	lch(46.33, 42.77, 276.80°)
OKLab	oklab(53.84% -0.0319 -0.1209)
OKLCH	oklch(53.84% 0.125 255.2)
XYZ	xyz(15.5974, 15.5157, 45.8799)
Luminance	0.1552 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376FB5 #B57D37

analogous

#37AEB5 #376FB5 #3E37B5

triadic

#376FB5 #B5376F #6FB537

tetradic

#376FB5 #B537AE #B57D37 #37B53E

square

#376FB5 #B537AE #B57D37 #37B53E

split-complementary

#376FB5 #B53E37 #AEB537

monochromatic

#1A3557 #295286 #376FB5 #5C8ECD #8BAFDC

Accessibility & contrast

On white

5.12

#376FB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#376FB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376FB5

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376FB5	#FFFFFF	#000000	##FFFFFF
##376FB5	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F74B8

Deuteranopia (green-blind)

#3C68B4

Tritanopia (blue-blind)

#007F89

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #376fb5;
/* rgb */ color: rgb(55, 111, 181);
/* oklch */ color: oklch(53.8% 0.125 255.2);

Tailwind

colors: {
  custom: {
    50: '#7c97cb',
    500: '#376fb5',
    950: '#000000',
  },
}

SCSS

$custom: #376fb5;
$custom-light: #7c97cb;
$custom-dark: #000000;

JSON

{
  "hex": "#376fb5",
  "rgb": {
    "r": 55,
    "g": 111,
    "b": 181
  },
  "hsl": {
    "h": 213.333,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.53842,
    "c": 0.12504,
    "h": 255.2
  },
  "luminance": 0.15517
}

Semantic roles & 50–950 ramp

primary

#376FB5

secondary

#C6A882

accent

#9C4BDD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #376FB5

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

Preview Lab → · Contrast checker → · Palette generator →