#3051AA#3051AA

#3051AA is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.2% C 0.148 H 265.6°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#3051AA
RGB	rgb(48, 81, 170)
HSL	hsl(224, 56%, 43%)
HSV	hsv(224, 72%, 67%)
CMYK	cmyk(71.8%, 52.4%, 0%, 33.3%)
CIE-LAB	lab(36.77, 19.23, -51.34)
CIE-LCH	lch(36.77, 54.82, 290.53°)
OKLab	oklab(46.18% -0.0114 -0.1476)
OKLCH	oklch(46.18% 0.148 265.6)
XYZ	xyz(11.4145, 9.4143, 39.2380)
Luminance	0.0942 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3051AA #AA8930

analogous

#308EAA #3051AA #4C30AA

triadic

#3051AA #AA3051 #51AA30

tetradic

#3051AA #AA308E #AA8930 #30AA4C

square

#3051AA #AA308E #AA8930 #30AA4C

split-complementary

#3051AA #AA4C30 #8EAA30

monochromatic

#15244B #233A7A #3051AA #4B6ECC #7B94DA

Accessibility & contrast

On white

7.28

#3051AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#3051AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3051AA

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3051AA	#FFFFFF	#000000	##FFFFFF
##3051AA	1.00	7.28	2.88	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#175CAD

Deuteranopia (green-blind)

#0051A8

Tritanopia (blue-blind)

#006675

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3051aa;
/* rgb */ color: rgb(48, 81, 170);
/* oklch */ color: oklch(46.2% 0.148 265.6);

Tailwind

colors: {
  custom: {
    50: '#7881c4',
    500: '#3051aa',
    950: '#000000',
  },
}

SCSS

$custom: #3051aa;
$custom-light: #7881c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3051aa",
  "rgb": {
    "r": 48,
    "g": 81,
    "b": 170
  },
  "hsl": {
    "h": 223.77,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.4618,
    "c": 0.14805,
    "h": 265.6
  },
  "luminance": 0.09416
}

Semantic roles & 50–950 ramp

primary

#3051AA

secondary

#C2AD74

accent

#B649DF

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3051AA

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

Preview Lab → · Contrast checker → · Palette generator →