#3078BB#3078BB

#3078BB is a mid, vivid cyan. Relative luminance 0.176; OKLCH L 56.0% C 0.126 H 249.8°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3078BB
RGB	rgb(48, 120, 187)
HSL	hsl(209, 59%, 46%)
HSV	hsv(209, 74%, 73%)
CMYK	cmyk(74.3%, 35.8%, 0%, 26.7%)
CIE-LAB	lab(49.07, 0.71, -41.62)
CIE-LCH	lch(49.07, 41.63, 270.98°)
OKLab	oklab(56.02% -0.0436 -0.1184)
OKLCH	oklch(56.02% 0.126 249.8)
XYZ	xyz(16.9016, 17.6473, 49.5196)
Luminance	0.1765 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3078BB #BB7330

analogous

#30BBB8 #3078BB #3032BB

triadic

#3078BB #BB3078 #78BB30

tetradic

#3078BB #B830BB #BB7330 #32BB30

square

#3078BB #B830BB #BB7330 #32BB30

split-complementary

#3078BB #BB3032 #BBB830

monochromatic

#17395A #23598A #3078BB #5596D3 #86B4E0

Accessibility & contrast

On white

4.64

#3078BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#3078BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3078BB

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3078BB	#FFFFFF	#000000	##FFFFFF
##3078BB	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#597CBE

Deuteranopia (green-blind)

#456FBA

Tritanopia (blue-blind)

#008890

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3078bb;
/* rgb */ color: rgb(48, 120, 187);
/* oklch */ color: oklch(56.0% 0.126 249.8);

Tailwind

colors: {
  custom: {
    50: '#7b9ed0',
    500: '#3078bb',
    950: '#000000',
  },
}

SCSS

$custom: #3078bb;
$custom-light: #7b9ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#3078bb",
  "rgb": {
    "r": 48,
    "g": 120,
    "b": 187
  },
  "hsl": {
    "h": 208.921,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.56018,
    "c": 0.12616,
    "h": 249.8
  },
  "luminance": 0.17649
}

Semantic roles & 50–950 ramp

primary

#3078BB

secondary

#C9A27D

accent

#9145E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3078BB

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

Preview Lab → · Contrast checker → · Palette generator →