#3058BB#3058BB

#3058BB is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.9% C 0.163 H 264.5°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#3058BB
RGB	rgb(48, 88, 187)
HSL	hsl(223, 59%, 46%)
HSV	hsv(223, 74%, 73%)
CMYK	cmyk(74.3%, 52.9%, 0%, 26.7%)
CIE-LAB	lab(39.91, 21.03, -56.29)
CIE-LCH	lch(39.91, 60.09, 290.48°)
OKLab	oklab(48.94% -0.0155 -0.1621)
OKLCH	oklch(48.94% 0.163 264.5)
XYZ	xyz(13.6751, 11.1942, 48.4441)
Luminance	0.1120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3058BB #BB9330

analogous

#309DBB #3058BB #4D30BB

triadic

#3058BB #BB3058 #58BB30

tetradic

#3058BB #BB309D #BB9330 #30BB4D

square

#3058BB #BB309D #BB9330 #30BB4D

split-complementary

#3058BB #BB4D30 #9DBB30

monochromatic

#172A5A #23418A #3058BB #5579D3 #86A0E0

Accessibility & contrast

On white

6.48

#3058BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#3058BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3058BB

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3058BB	#FFFFFF	#000000	##FFFFFF
##3058BB	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1165BF

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3058bb;
/* rgb */ color: rgb(48, 88, 187);
/* oklch */ color: oklch(48.9% 0.163 264.5);

Tailwind

colors: {
  custom: {
    50: '#7c86d0',
    500: '#3058bb',
    950: '#000000',
  },
}

SCSS

$custom: #3058bb;
$custom-light: #7c86d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3058bb",
  "rgb": {
    "r": 48,
    "g": 88,
    "b": 187
  },
  "hsl": {
    "h": 222.734,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.48942,
    "c": 0.1628,
    "h": 264.5
  },
  "luminance": 0.11196
}

Semantic roles & 50–950 ramp

primary

#3058BB

secondary

#C9B37D

accent

#B545E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3058BB

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

Preview Lab → · Contrast checker → · Palette generator →