#3059B8#3059B8

#3059B8 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.9% C 0.157 H 263.9°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#3059B8
RGB	rgb(48, 89, 184)
HSL	hsl(222, 59%, 45%)
HSV	hsv(222, 74%, 72%)
CMYK	cmyk(73.9%, 51.6%, 0%, 27.8%)
CIE-LAB	lab(39.97, 19.24, -54.43)
CIE-LCH	lch(39.97, 57.74, 289.47°)
OKLab	oklab(48.92% -0.0167 -0.1566)
OKLCH	oklch(48.92% 0.157 263.9)
XYZ	xyz(13.4400, 11.2324, 46.7979)
Luminance	0.1123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3059B8 #B88F30

analogous

#309DB8 #3059B8 #4B30B8

triadic

#3059B8 #B83059 #59B830

tetradic

#3059B8 #B8309D #B88F30 #30B84B

square

#3059B8 #B8309D #B88F30 #30B84B

split-complementary

#3059B8 #B84B30 #9DB830

monochromatic

#172A57 #234287 #3059B8 #5379D2 #849FDF

Accessibility & contrast

On white

6.47

#3059B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#3059B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3059B8

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3059B8	#FFFFFF	#000000	##FFFFFF
##3059B8	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C65BB

Deuteranopia (green-blind)

#0058B6

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3059b8;
/* rgb */ color: rgb(48, 89, 184);
/* oklch */ color: oklch(48.9% 0.157 263.9);

Tailwind

colors: {
  custom: {
    50: '#7b87ce',
    500: '#3059b8',
    950: '#000000',
  },
}

SCSS

$custom: #3059b8;
$custom-light: #7b87ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3059b8",
  "rgb": {
    "r": 48,
    "g": 89,
    "b": 184
  },
  "hsl": {
    "h": 221.912,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.48923,
    "c": 0.15745,
    "h": 263.9
  },
  "luminance": 0.11234
}

Semantic roles & 50–950 ramp

primary

#3059B8

secondary

#C8B17C

accent

#B346E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3059B8

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

Preview Lab → · Contrast checker → · Palette generator →