#376DB3#376DB3

#376DB3 is a mid, vivid cyan. Relative luminance 0.150; OKLCH L 53.3% C 0.125 H 255.9°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#376DB3
RGB	rgb(55, 109, 179)
HSL	hsl(214, 53%, 46%)
HSV	hsv(214, 69%, 70%)
CMYK	cmyk(69.3%, 39.1%, 0%, 29.8%)
CIE-LAB	lab(45.64, 5.59, -42.41)
CIE-LCH	lch(45.64, 42.78, 277.50°)
OKLab	oklab(53.26% -0.0304 -0.1208)
OKLCH	oklch(53.26% 0.125 255.9)
XYZ	xyz(15.1779, 15.0026, 44.7350)
Luminance	0.1500 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376DB3 #B37D37

analogous

#37ABB3 #376DB3 #3F37B3

triadic

#376DB3 #B3376D #6DB337

tetradic

#376DB3 #B337AB #B37D37 #37B33F

square

#376DB3 #B337AB #B37D37 #37B33F

split-complementary

#376DB3 #B33F37 #ABB337

monochromatic

#1A3455 #295084 #376DB3 #5B8CCD #8AADDB

Accessibility & contrast

On white

5.25

#376DB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#376DB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376DB3

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376DB3	#FFFFFF	#000000	##FFFFFF
##376DB3	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D72B6

Deuteranopia (green-blind)

#3A67B2

Tritanopia (blue-blind)

#007D87

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #376db3;
/* rgb */ color: rgb(55, 109, 179);
/* oklch */ color: oklch(53.3% 0.125 255.9);

Tailwind

colors: {
  custom: {
    50: '#7c96ca',
    500: '#376db3',
    950: '#000000',
  },
}

SCSS

$custom: #376db3;
$custom-light: #7c96ca;
$custom-dark: #000000;

JSON

{
  "hex": "#376db3",
  "rgb": {
    "r": 55,
    "g": 109,
    "b": 179
  },
  "hsl": {
    "h": 213.871,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.53265,
    "c": 0.12454,
    "h": 255.9
  },
  "luminance": 0.15004
}

Semantic roles & 50–950 ramp

primary

#376DB3

secondary

#C5A781

accent

#9D4BDC

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #376DB3

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

Preview Lab → · Contrast checker → · Palette generator →