#3066B1#3066B1

#3066B1 is a mid, vivid cyan. Relative luminance 0.133; OKLCH L 51.3% C 0.132 H 257.2°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#3066B1
RGB	rgb(48, 102, 177)
HSL	hsl(215, 57%, 44%)
HSV	hsv(215, 73%, 69%)
CMYK	cmyk(72.9%, 42.4%, 0%, 30.6%)
CIE-LAB	lab(43.22, 8.20, -45.11)
CIE-LCH	lch(43.22, 45.85, 280.30°)
OKLab	oklab(51.27% -0.0292 -0.1289)
OKLCH	oklch(51.27% 0.132 257.2)
XYZ	xyz(13.9032, 13.3039, 43.4216)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3066B1 #B17B30

analogous

#30A7B1 #3066B1 #3B30B1

triadic

#3066B1 #B13066 #66B130

tetradic

#3066B1 #B130A7 #B17B30 #30B13B

square

#3066B1 #B130A7 #B17B30 #30B13B

split-complementary

#3066B1 #B13B30 #A7B130

monochromatic

#162F51 #234A81 #3066B1 #4F85CF #7FA6DC

Accessibility & contrast

On white

5.74

#3066B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#3066B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3066B1

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3066B1	#FFFFFF	#000000	##FFFFFF
##3066B1	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#426DB4

Deuteranopia (green-blind)

#2C61AF

Tritanopia (blue-blind)

#007883

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3066b1;
/* rgb */ color: rgb(48, 102, 177);
/* oklch */ color: oklch(51.3% 0.132 257.2);

Tailwind

colors: {
  custom: {
    50: '#7991c9',
    500: '#3066b1',
    950: '#000000',
  },
}

SCSS

$custom: #3066b1;
$custom-light: #7991c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3066b1",
  "rgb": {
    "r": 48,
    "g": 102,
    "b": 177
  },
  "hsl": {
    "h": 214.884,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51274,
    "c": 0.13218,
    "h": 257.2
  },
  "luminance": 0.13305
}

Semantic roles & 50–950 ramp

primary

#3066B1

secondary

#C5A578

accent

#A047E1

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3066B1

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

Preview Lab → · Contrast checker → · Palette generator →