#3059B2#3059B2

#3059B2 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.5% C 0.149 H 263.3°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#3059B2
RGB	rgb(48, 89, 178)
HSL	hsl(221, 58%, 44%)
HSV	hsv(221, 73%, 70%)
CMYK	cmyk(73%, 50%, 0%, 30.2%)
CIE-LAB	lab(39.56, 16.98, -51.58)
CIE-LCH	lch(39.56, 54.30, 288.22°)
OKLab	oklab(48.48% -0.0174 -0.1482)
OKLCH	oklch(48.48% 0.149 263.3)
XYZ	xyz(12.8243, 10.9861, 43.5555)
Luminance	0.1099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3059B2 #B28930

analogous

#309AB2 #3059B2 #4830B2

triadic

#3059B2 #B23059 #59B230

tetradic

#3059B2 #B2309A #B28930 #30B248

square

#3059B2 #B2309A #B28930 #30B248

split-complementary

#3059B2 #B24830 #9AB230

monochromatic

#162952 #234182 #3059B2 #5078D0 #809DDD

Accessibility & contrast

On white

6.57

#3059B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#3059B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3059B2

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3059B2	#FFFFFF	#000000	##FFFFFF
##3059B2	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2564B5

Deuteranopia (green-blind)

#0058B0

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3059b2;
/* rgb */ color: rgb(48, 89, 178);
/* oklch */ color: oklch(48.5% 0.149 263.3);

Tailwind

colors: {
  custom: {
    50: '#7987ca',
    500: '#3059b2',
    950: '#000000',
  },
}

SCSS

$custom: #3059b2;
$custom-light: #7987ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3059b2",
  "rgb": {
    "r": 48,
    "g": 89,
    "b": 178
  },
  "hsl": {
    "h": 221.077,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.48478,
    "c": 0.14918,
    "h": 263.3
  },
  "luminance": 0.10987
}

Semantic roles & 50–950 ramp

primary

#3059B2

secondary

#C6AD78

accent

#B047E1

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3059B2

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

Preview Lab → · Contrast checker → · Palette generator →