#3054BB#3054BB

#3054BB is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.1% C 0.168 H 265.8°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#3054BB
RGB	rgb(48, 84, 187)
HSL	hsl(224, 59%, 46%)
HSV	hsv(224, 74%, 73%)
CMYK	cmyk(74.3%, 55.1%, 0%, 26.7%)
CIE-LAB	lab(38.82, 23.64, -58.05)
CIE-LCH	lch(38.82, 62.68, 292.16°)
OKLab	oklab(48.12% -0.0124 -0.1673)
OKLCH	oklch(48.12% 0.168 265.8)
XYZ	xyz(13.3557, 10.5554, 48.3376)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3054BB #BB9730

analogous

#3099BB #3054BB #5130BB

triadic

#3054BB #BB3054 #54BB30

tetradic

#3054BB #BB3099 #BB9730 #30BB51

square

#3054BB #BB3099 #BB9730 #30BB51

split-complementary

#3054BB #BB5130 #99BB30

monochromatic

#17285A #233E8A #3054BB #5576D3 #869DE0

Accessibility & contrast

On white

6.75

#3054BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#3054BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3054BB

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3054BB	#FFFFFF	#000000	##FFFFFF
##3054BB	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BF

Deuteranopia (green-blind)

#0055B9

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3054bb;
/* rgb */ color: rgb(48, 84, 187);
/* oklch */ color: oklch(48.1% 0.168 265.8);

Tailwind

colors: {
  custom: {
    50: '#7c83d0',
    500: '#3054bb',
    950: '#000000',
  },
}

SCSS

$custom: #3054bb;
$custom-light: #7c83d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3054bb",
  "rgb": {
    "r": 48,
    "g": 84,
    "b": 187
  },
  "hsl": {
    "h": 224.46,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.48122,
    "c": 0.16776,
    "h": 265.8
  },
  "luminance": 0.10557
}

Semantic roles & 50–950 ramp

primary

#3054BB

secondary

#C9B67D

accent

#BA45E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3054BB

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

Preview Lab → · Contrast checker → · Palette generator →