#3058B5#3058B5

#3058B5 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.5% C 0.155 H 264.0°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#3058B5
RGB	rgb(48, 88, 181)
HSL	hsl(222, 58%, 45%)
HSV	hsv(222, 73%, 71%)
CMYK	cmyk(73.5%, 51.4%, 0%, 29%)
CIE-LAB	lab(39.48, 18.77, -53.46)
CIE-LCH	lch(39.48, 56.66, 289.34°)
OKLab	oklab(48.49% -0.0162 -0.1537)
OKLCH	oklch(48.49% 0.155 264)
XYZ	xyz(13.0462, 10.9426, 45.1317)
Luminance	0.1094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3058B5 #B58D30

analogous

#309BB5 #3058B5 #4B30B5

triadic

#3058B5 #B53058 #58B530

tetradic

#3058B5 #B5309B #B58D30 #30B54B

square

#3058B5 #B5309B #B58D30 #30B54B

split-complementary

#3058B5 #B54B30 #9BB530

monochromatic

#162954 #234085 #3058B5 #5178D1 #829DDE

Accessibility & contrast

On white

6.59

#3058B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3058B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3058B5

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3058B5	#FFFFFF	#000000	##FFFFFF
##3058B5	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D63B8

Deuteranopia (green-blind)

#0057B3

Tritanopia (blue-blind)

#006E7E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3058b5;
/* rgb */ color: rgb(48, 88, 181);
/* oklch */ color: oklch(48.5% 0.155 264.0);

Tailwind

colors: {
  custom: {
    50: '#7a86cc',
    500: '#3058b5',
    950: '#000000',
  },
}

SCSS

$custom: #3058b5;
$custom-light: #7a86cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3058b5",
  "rgb": {
    "r": 48,
    "g": 88,
    "b": 181
  },
  "hsl": {
    "h": 221.955,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.48487,
    "c": 0.15457,
    "h": 264
  },
  "luminance": 0.10944
}

Semantic roles & 50–950 ramp

primary

#3058B5

secondary

#C7B07A

accent

#B346E1

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3058B5

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

Preview Lab → · Contrast checker → · Palette generator →