#3059BB#3059BB

#3059BB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.1% C 0.162 H 264.2°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#3059BB
RGB	rgb(48, 89, 187)
HSL	hsl(222, 59%, 46%)
HSV	hsv(222, 74%, 73%)
CMYK	cmyk(74.3%, 52.4%, 0%, 26.7%)
CIE-LAB	lab(40.18, 20.37, -55.85)
CIE-LCH	lch(40.18, 59.45, 290.04°)
OKLab	oklab(49.15% -0.0163 -0.1607)
OKLCH	oklch(49.15% 0.162 264.2)
XYZ	xyz(13.7578, 11.3595, 48.4716)
Luminance	0.1136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3059BB #BB9230

analogous

#309EBB #3059BB #4C30BB

triadic

#3059BB #BB3059 #59BB30

tetradic

#3059BB #BB309E #BB9230 #30BB4C

square

#3059BB #BB309E #BB9230 #30BB4C

split-complementary

#3059BB #BB4C30 #9EBB30

monochromatic

#172B5A #23428A #3059BB #557AD3 #86A0E0

Accessibility & contrast

On white

6.42

#3059BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#3059BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3059BB

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3059BB	#FFFFFF	#000000	##FFFFFF
##3059BB	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1665BE

Deuteranopia (green-blind)

#0059B9

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3059bb;
/* rgb */ color: rgb(48, 89, 187);
/* oklch */ color: oklch(49.1% 0.162 264.2);

Tailwind

colors: {
  custom: {
    50: '#7b87d0',
    500: '#3059bb',
    950: '#000000',
  },
}

SCSS

$custom: #3059bb;
$custom-light: #7b87d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3059bb",
  "rgb": {
    "r": 48,
    "g": 89,
    "b": 187
  },
  "hsl": {
    "h": 222.302,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.4915,
    "c": 0.16157,
    "h": 264.2
  },
  "luminance": 0.11361
}

Semantic roles & 50–950 ramp

primary

#3059BB

secondary

#C9B37D

accent

#B445E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3059BB

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

Preview Lab → · Contrast checker → · Palette generator →