#3358B3#3358B3

#3358B3 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.5% C 0.151 H 264.7°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#3358B3
RGB	rgb(51, 88, 179)
HSL	hsl(223, 56%, 45%)
HSV	hsv(223, 72%, 70%)
CMYK	cmyk(71.5%, 50.8%, 0%, 29.8%)
CIE-LAB	lab(39.47, 18.43, -52.29)
CIE-LCH	lch(39.47, 55.45, 289.42°)
OKLab	oklab(48.47% -0.0139 -0.1502)
OKLCH	oklch(48.47% 0.151 264.7)
XYZ	xyz(12.9888, 10.9366, 44.0655)
Luminance	0.1094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3358B3 #B38E33

analogous

#3398B3 #3358B3 #4E33B3

triadic

#3358B3 #B33358 #58B333

tetradic

#3358B3 #B33398 #B38E33 #33B34E

square

#3358B3 #B33398 #B38E33 #33B34E

split-complementary

#3358B3 #B34E33 #98B333

monochromatic

#182954 #254183 #3358B3 #5578CE #849EDC

Accessibility & contrast

On white

6.59

#3358B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3358B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3358B3

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3358B3	#FFFFFF	#000000	##FFFFFF
##3358B3	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)

#2163B6

Deuteranopia (green-blind)

#0057B1

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3358b3;
/* rgb */ color: rgb(51, 88, 179);
/* oklch */ color: oklch(48.5% 0.151 264.7);

Tailwind

colors: {
  custom: {
    50: '#7b86ca',
    500: '#3358b3',
    950: '#000000',
  },
}

SCSS

$custom: #3358b3;
$custom-light: #7b86ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3358b3",
  "rgb": {
    "r": 51,
    "g": 88,
    "b": 179
  },
  "hsl": {
    "h": 222.656,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.48471,
    "c": 0.15087,
    "h": 264.7
  },
  "luminance": 0.10938
}

Semantic roles & 50–950 ramp

primary

#3358B3

secondary

#C6B07C

accent

#B449DF

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3358B3

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

Preview Lab → · Contrast checker → · Palette generator →