#3063B8#3063B8

#3063B8 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.1% C 0.145 H 260.0°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#3063B8
RGB	rgb(48, 99, 184)
HSL	hsl(218, 59%, 45%)
HSV	hsv(218, 74%, 72%)
CMYK	cmyk(73.9%, 46.2%, 0%, 27.8%)
CIE-LAB	lab(42.78, 12.75, -49.91)
CIE-LCH	lch(42.78, 51.51, 284.33°)
OKLab	oklab(51.07% -0.0251 -0.1431)
OKLCH	oklch(51.07% 0.145 260)
XYZ	xyz(14.3294, 13.0112, 47.0943)
Luminance	0.1301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3063B8 #B88530

analogous

#30A7B8 #3063B8 #4130B8

triadic

#3063B8 #B83063 #63B830

tetradic

#3063B8 #B830A7 #B88530 #30B841

square

#3063B8 #B830A7 #B88530 #30B841

split-complementary

#3063B8 #B84130 #A7B830

monochromatic

#172F57 #234987 #3063B8 #5383D2 #84A6DF

Accessibility & contrast

On white

5.83

#3063B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#3063B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3063B8

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3063B8	#FFFFFF	#000000	##FFFFFF
##3063B8	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376CBB

Deuteranopia (green-blind)

#185FB6

Tritanopia (blue-blind)

#007784

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3063b8;
/* rgb */ color: rgb(48, 99, 184);
/* oklch */ color: oklch(51.1% 0.145 260.0);

Tailwind

colors: {
  custom: {
    50: '#7a8ece',
    500: '#3063b8',
    950: '#000000',
  },
}

SCSS

$custom: #3063b8;
$custom-light: #7a8ece;
$custom-dark: #000000;

JSON

{
  "hex": "#3063b8",
  "rgb": {
    "r": 48,
    "g": 99,
    "b": 184
  },
  "hsl": {
    "h": 217.5,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51074,
    "c": 0.14526,
    "h": 260
  },
  "luminance": 0.13013
}

Semantic roles & 50–950 ramp

primary

#3063B8

secondary

#C8AB7C

accent

#A746E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3063B8

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

Preview Lab → · Contrast checker → · Palette generator →