#3063B3#3063B3

#3063B3 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 50.7% C 0.138 H 259.2°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#3063B3
RGB	rgb(48, 99, 179)
HSL	hsl(217, 58%, 45%)
HSV	hsv(217, 73%, 70%)
CMYK	cmyk(73.2%, 44.7%, 0%, 29.8%)
CIE-LAB	lab(42.47, 10.87, -47.48)
CIE-LCH	lch(42.47, 48.71, 282.89°)
OKLab	oklab(50.73% -0.026 -0.1359)
OKLCH	oklch(50.73% 0.138 259.2)
XYZ	xyz(13.8145, 12.8052, 44.3827)
Luminance	0.1281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3063B3 #B38030

analogous

#30A5B3 #3063B3 #3F30B3

triadic

#3063B3 #B33063 #63B330

tetradic

#3063B3 #B330A5 #B38030 #30B33F

square

#3063B3 #B330A5 #B38030 #30B33F

split-complementary

#3063B3 #B33F30 #A5B330

monochromatic

#162E52 #234883 #3063B3 #5082D0 #80A4DD

Accessibility & contrast

On white

5.90

#3063B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#3063B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3063B3

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3063B3	#FFFFFF	#000000	##FFFFFF
##3063B3	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6BB6

Deuteranopia (green-blind)

#215FB1

Tritanopia (blue-blind)

#007682

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3063b3;
/* rgb */ color: rgb(48, 99, 179);
/* oklch */ color: oklch(50.7% 0.138 259.2);

Tailwind

colors: {
  custom: {
    50: '#798eca',
    500: '#3063b3',
    950: '#000000',
  },
}

SCSS

$custom: #3063b3;
$custom-light: #798eca;
$custom-dark: #000000;

JSON

{
  "hex": "#3063b3",
  "rgb": {
    "r": 48,
    "g": 99,
    "b": 179
  },
  "hsl": {
    "h": 216.641,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50734,
    "c": 0.13841,
    "h": 259.2
  },
  "luminance": 0.12807
}

Semantic roles & 50–950 ramp

primary

#3063B3

secondary

#C6A879

accent

#A547E1

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3063B3

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

Preview Lab → · Contrast checker → · Palette generator →