#3055B8#3055B8

#3055B8 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.1% C 0.162 H 265.3°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#3055B8
RGB	rgb(48, 85, 184)
HSL	hsl(224, 59%, 45%)
HSV	hsv(224, 74%, 72%)
CMYK	cmyk(73.9%, 53.8%, 0%, 27.8%)
CIE-LAB	lab(38.87, 21.86, -56.21)
CIE-LCH	lch(38.87, 60.31, 291.25°)
OKLab	oklab(48.09% -0.0134 -0.1619)
OKLCH	oklch(48.09% 0.162 265.3)
XYZ	xyz(13.1161, 10.5847, 46.6899)
Luminance	0.1059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3055B8 #B89330

analogous

#3099B8 #3055B8 #4F30B8

triadic

#3055B8 #B83055 #55B830

tetradic

#3055B8 #B83099 #B89330 #30B84F

square

#3055B8 #B83099 #B89330 #30B84F

split-complementary

#3055B8 #B84F30 #99B830

monochromatic

#172857 #233F87 #3055B8 #5376D2 #849CDF

Accessibility & contrast

On white

6.74

#3055B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#3055B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3055B8

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3055B8	#FFFFFF	#000000	##FFFFFF
##3055B8	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0662BB

Deuteranopia (green-blind)

#0056B6

Tritanopia (blue-blind)

#006D7E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3055b8;
/* rgb */ color: rgb(48, 85, 184);
/* oklch */ color: oklch(48.1% 0.162 265.3);

Tailwind

colors: {
  custom: {
    50: '#7b84ce',
    500: '#3055b8',
    950: '#000000',
  },
}

SCSS

$custom: #3055b8;
$custom-light: #7b84ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3055b8",
  "rgb": {
    "r": 48,
    "g": 85,
    "b": 184
  },
  "hsl": {
    "h": 223.676,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.48091,
    "c": 0.16242,
    "h": 265.3
  },
  "luminance": 0.10586
}

Semantic roles & 50–950 ramp

primary

#3055B8

secondary

#C8B37C

accent

#B746E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3055B8

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

Preview Lab → · Contrast checker → · Palette generator →