#3078D3#3078D3

#3078D3 is a mid, vivid cyan. Relative luminance 0.188; OKLCH L 57.5% C 0.157 H 256.0°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3078D3
RGB	rgb(48, 120, 211)
HSL	hsl(213, 65%, 51%)
HSV	hsv(213, 77%, 83%)
CMYK	cmyk(77.3%, 43.1%, 0%, 17.3%)
CIE-LAB	lab(50.41, 9.60, -53.21)
CIE-LCH	lch(50.41, 54.07, 280.23°)
OKLab	oklab(57.5% -0.0379 -0.1524)
OKLCH	oklch(57.5% 0.157 256)
XYZ	xyz(19.6889, 18.7622, 64.1992)
Luminance	0.1876 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3078D3 #D38B30

analogous

#30C9D3 #3078D3 #3930D3

triadic

#3078D3 #D33078 #78D330

tetradic

#3078D3 #D330C9 #D38B30 #30D339

square

#3078D3 #D330C9 #D38B30 #30D339

split-complementary

#3078D3 #D33930 #C9D330

monochromatic

#183F71 #235BA3 #3078D3 #6299DE #95BAE8

Accessibility & contrast

On white

4.42

#3078D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#3078D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3078D3

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3078D3	#FFFFFF	#000000	##000000
##3078D3	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A80D7

Deuteranopia (green-blind)

#2B71D1

Tritanopia (blue-blind)

#008E9B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3078d3;
/* rgb */ color: rgb(48, 120, 211);
/* oklch */ color: oklch(57.5% 0.157 256.0);

Tailwind

colors: {
  custom: {
    50: '#809ee1',
    500: '#3078d3',
    950: '#000000',
  },
}

SCSS

$custom: #3078d3;
$custom-light: #809ee1;
$custom-dark: #000000;

JSON

{
  "hex": "#3078d3",
  "rgb": {
    "r": 48,
    "g": 120,
    "b": 211
  },
  "hsl": {
    "h": 213.497,
    "s": 64.94,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57501,
    "c": 0.15705,
    "h": 256
  },
  "luminance": 0.18764
}

Semantic roles & 50–950 ramp

primary

#3078D3

secondary

#D4B48B

accent

#9E40E8

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3078D3

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

Preview Lab → · Contrast checker → · Palette generator →