#3454BB#3454BB

#3454BB is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.3% C 0.167 H 266.9°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#3454BB
RGB	rgb(52, 84, 187)
HSL	hsl(226, 56%, 47%)
HSV	hsv(226, 72%, 73%)
CMYK	cmyk(72.2%, 55.1%, 0%, 26.7%)
CIE-LAB	lab(39.00, 24.16, -57.76)
CIE-LCH	lch(39.00, 62.61, 292.70°)
OKLab	oklab(48.3% -0.009 -0.1664)
OKLCH	oklch(48.3% 0.167 266.9)
XYZ	xyz(13.5530, 10.6572, 48.3468)
Luminance	0.1066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3454BB #BB9B34

analogous

#3498BB #3454BB #5834BB

triadic

#3454BB #BB3454 #54BB34

tetradic

#3454BB #BB3498 #BB9B34 #34BB58

square

#3454BB #BB3498 #BB9B34 #34BB58

split-complementary

#3454BB #BB5834 #98BB34

monochromatic

#19295B #273E8B #3454BB #5B77D1 #8B9FDF

Accessibility & contrast

On white

6.71

#3454BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#3454BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3454BB

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3454BB	#FFFFFF	#000000	##FFFFFF
##3454BB	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BF

Deuteranopia (green-blind)

#0056B9

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3454bb;
/* rgb */ color: rgb(52, 84, 187);
/* oklch */ color: oklch(48.3% 0.167 266.9);

Tailwind

colors: {
  custom: {
    50: '#7d83d0',
    500: '#3454bb',
    950: '#000000',
  },
}

SCSS

$custom: #3454bb;
$custom-light: #7d83d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3454bb",
  "rgb": {
    "r": 52,
    "g": 84,
    "b": 187
  },
  "hsl": {
    "h": 225.778,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.48303,
    "c": 0.1666,
    "h": 266.9
  },
  "luminance": 0.10659
}

Semantic roles & 50–950 ramp

primary

#3454BB

secondary

#C9B882

accent

#BC48E0

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3454BB

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

Preview Lab → · Contrast checker → · Palette generator →