#3055A4#3055A4

#3055A4 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.6% C 0.135 H 263.3°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#3055A4
RGB	rgb(48, 85, 164)
HSL	hsl(221, 55%, 42%)
HSV	hsv(221, 71%, 64%)
CMYK	cmyk(70.7%, 48.2%, 0%, 35.7%)
CIE-LAB	lab(37.49, 14.32, -46.61)
CIE-LCH	lch(37.49, 48.76, 287.08°)
OKLab	oklab(46.6% -0.0158 -0.1336)
OKLCH	oklch(46.6% 0.135 263.3)
XYZ	xyz(11.1659, 9.8046, 36.4188)
Luminance	0.0981 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3055A4 #A47F30

analogous

#308FA4 #3055A4 #4530A4

triadic

#3055A4 #A43055 #55A430

tetradic

#3055A4 #A4308F #A47F30 #30A445

square

#3055A4 #A4308F #A47F30 #30A445

split-complementary

#3055A4 #A44530 #8FA430

monochromatic

#142445 #223C75 #3055A4 #4871C9 #7796D7

Accessibility & contrast

On white

7.09

#3055A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#3055A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3055A4

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3055A4	#FFFFFF	#000000	##FFFFFF
##3055A4	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5EA7

Deuteranopia (green-blind)

#0E53A2

Tritanopia (blue-blind)

#006874

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3055a4;
/* rgb */ color: rgb(48, 85, 164);
/* oklch */ color: oklch(46.6% 0.135 263.3);

Tailwind

colors: {
  custom: {
    50: '#7784bf',
    500: '#3055a4',
    950: '#000000',
  },
}

SCSS

$custom: #3055a4;
$custom-light: #7784bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3055a4",
  "rgb": {
    "r": 48,
    "g": 85,
    "b": 164
  },
  "hsl": {
    "h": 220.862,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.46598,
    "c": 0.13454,
    "h": 263.3
  },
  "luminance": 0.09806
}

Semantic roles & 50–950 ramp

primary

#3055A4

secondary

#BFA670

accent

#AF4ADE

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3055A4

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

Preview Lab → · Contrast checker → · Palette generator →