#3780A2#3780A2

#3780A2 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.8% C 0.089 H 231.5°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3780A2
RGB	rgb(55, 128, 162)
HSL	hsl(199, 49%, 43%)
HSV	hsv(199, 66%, 64%)
CMYK	cmyk(66%, 21%, 0%, 36.5%)
CIE-LAB	lab(50.52, -11.72, -24.85)
CIE-LCH	lch(50.52, 27.48, 244.75°)
OKLab	oklab(56.84% -0.0554 -0.0696)
OKLCH	oklch(56.84% 0.089 231.5)
XYZ	xyz(15.8137, 18.8575, 36.9819)
Luminance	0.1886 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3780A2 #A25937

analogous

#37A28E #3780A2 #374BA2

triadic

#3780A2 #A23780 #80A237

tetradic

#3780A2 #8E37A2 #A25937 #4BA237

square

#3780A2 #8E37A2 #A25937 #4BA237

split-complementary

#3780A2 #A2374B #A28E37

monochromatic

#183847 #275C74 #3780A2 #52A0C4 #80B9D4

Accessibility & contrast

On white

4.40

#3780A2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#3780A2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3780A2

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3780A2	#FFFFFF	#000000	##000000
##3780A2	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7EA4

Deuteranopia (green-blind)

#6073A2

Tritanopia (blue-blind)

#00898B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3780a2;
/* rgb */ color: rgb(55, 128, 162);
/* oklch */ color: oklch(56.8% 0.089 231.5);

Tailwind

colors: {
  custom: {
    50: '#7aa4bd',
    500: '#3780a2',
    950: '#000000',
  },
}

SCSS

$custom: #3780a2;
$custom-light: #7aa4bd;
$custom-dark: #000000;

JSON

{
  "hex": "#3780a2",
  "rgb": {
    "r": 55,
    "g": 128,
    "b": 162
  },
  "hsl": {
    "h": 199.065,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.56844,
    "c": 0.08896,
    "h": 231.5
  },
  "luminance": 0.18859
}

Semantic roles & 50–950 ramp

primary

#3780A2

secondary

#BD8E78

accent

#7B4FD9

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3780A2

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

Preview Lab → · Contrast checker → · Palette generator →