#3059B3#3059B3

#3059B3 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.6% C 0.151 H 263.4°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#3059B3
RGB	rgb(48, 89, 179)
HSL	hsl(221, 58%, 45%)
HSV	hsv(221, 73%, 70%)
CMYK	cmyk(73.2%, 50.3%, 0%, 29.8%)
CIE-LAB	lab(39.62, 17.36, -52.05)
CIE-LCH	lch(39.62, 54.87, 288.44°)
OKLab	oklab(48.55% -0.0173 -0.1496)
OKLCH	oklch(48.55% 0.151 263.4)
XYZ	xyz(12.9251, 11.0264, 44.0862)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3059B3 #B38A30

analogous

#309BB3 #3059B3 #4830B3

triadic

#3059B3 #B33059 #59B330

tetradic

#3059B3 #B3309B #B38A30 #30B348

square

#3059B3 #B3309B #B38A30 #30B348

split-complementary

#3059B3 #B34830 #9BB330

monochromatic

#162952 #234183 #3059B3 #5078D0 #809DDD

Accessibility & contrast

On white

6.55

#3059B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#3059B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3059B3

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3059B3	#FFFFFF	#000000	##FFFFFF
##3059B3	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2464B6

Deuteranopia (green-blind)

#0058B1

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3059b3;
/* rgb */ color: rgb(48, 89, 179);
/* oklch */ color: oklch(48.6% 0.151 263.4);

Tailwind

colors: {
  custom: {
    50: '#7a87ca',
    500: '#3059b3',
    950: '#000000',
  },
}

SCSS

$custom: #3059b3;
$custom-light: #7a87ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3059b3",
  "rgb": {
    "r": 48,
    "g": 89,
    "b": 179
  },
  "hsl": {
    "h": 221.221,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48551,
    "c": 0.15056,
    "h": 263.4
  },
  "luminance": 0.11028
}

Semantic roles & 50–950 ramp

primary

#3059B3

secondary

#C6AE79

accent

#B147E1

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3059B3

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

Preview Lab → · Contrast checker → · Palette generator →