#3058B3#3058B3

#3058B3 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.3% C 0.152 H 263.8°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#3058B3
RGB	rgb(48, 88, 179)
HSL	hsl(222, 58%, 45%)
HSV	hsv(222, 73%, 70%)
CMYK	cmyk(73.2%, 50.8%, 0%, 29.8%)
CIE-LAB	lab(39.35, 18.01, -52.51)
CIE-LCH	lch(39.35, 55.51, 288.93°)
OKLab	oklab(48.34% -0.0164 -0.1509)
OKLCH	oklch(48.34% 0.152 263.8)
XYZ	xyz(12.8424, 10.8611, 44.0587)
Luminance	0.1086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3058B3 #B38B30

analogous

#309AB3 #3058B3 #4930B3

triadic

#3058B3 #B33058 #58B330

tetradic

#3058B3 #B3309A #B38B30 #30B349

square

#3058B3 #B3309A #B38B30 #30B349

split-complementary

#3058B3 #B34930 #9AB330

monochromatic

#162952 #234083 #3058B3 #5077D0 #809DDD

Accessibility & contrast

On white

6.62

#3058B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#3058B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3058B3

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3058B3	#FFFFFF	#000000	##FFFFFF
##3058B3	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2163B6

Deuteranopia (green-blind)

#0057B1

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3058b3;
/* rgb */ color: rgb(48, 88, 179);
/* oklch */ color: oklch(48.3% 0.152 263.8);

Tailwind

colors: {
  custom: {
    50: '#7a86ca',
    500: '#3058b3',
    950: '#000000',
  },
}

SCSS

$custom: #3058b3;
$custom-light: #7a86ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3058b3",
  "rgb": {
    "r": 48,
    "g": 88,
    "b": 179
  },
  "hsl": {
    "h": 221.679,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48338,
    "c": 0.1518,
    "h": 263.8
  },
  "luminance": 0.10862
}

Semantic roles & 50–950 ramp

primary

#3058B3

secondary

#C6AE79

accent

#B247E1

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3058B3

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

Preview Lab → · Contrast checker → · Palette generator →