#3358BB#3358BB

#3358BB is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.1% C 0.162 H 265.4°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#3358BB
RGB	rgb(51, 88, 187)
HSL	hsl(224, 57%, 47%)
HSV	hsv(224, 73%, 73%)
CMYK	cmyk(72.7%, 52.9%, 0%, 26.7%)
CIE-LAB	lab(40.03, 21.42, -56.09)
CIE-LCH	lch(40.03, 60.04, 290.90°)
OKLab	oklab(49.07% -0.0131 -0.1614)
OKLCH	oklch(49.07% 0.162 265.4)
XYZ	xyz(13.8215, 11.2696, 48.4509)
Luminance	0.1127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3358BB #BB9633

analogous

#339CBB #3358BB #5233BB

triadic

#3358BB #BB3358 #58BB33

tetradic

#3358BB #BB339C #BB9633 #33BB52

square

#3358BB #BB339C #BB9633 #33BB52

split-complementary

#3358BB #BB5233 #9CBB33

monochromatic

#192B5B #26418B #3358BB #597AD2 #89A1DF

Accessibility & contrast

On white

6.45

#3358BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#3358BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3358BB

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3358BB	#FFFFFF	#000000	##FFFFFF
##3358BB	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1265BE

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3358bb;
/* rgb */ color: rgb(51, 88, 187);
/* oklch */ color: oklch(49.1% 0.162 265.4);

Tailwind

colors: {
  custom: {
    50: '#7d86d0',
    500: '#3358bb',
    950: '#000000',
  },
}

SCSS

$custom: #3358bb;
$custom-light: #7d86d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3358bb",
  "rgb": {
    "r": 51,
    "g": 88,
    "b": 187
  },
  "hsl": {
    "h": 223.676,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.49072,
    "c": 0.16192,
    "h": 265.4
  },
  "luminance": 0.11271
}

Semantic roles & 50–950 ramp

primary

#3358BB

secondary

#C9B581

accent

#B747E0

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3358BB

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

Preview Lab → · Contrast checker → · Palette generator →