#3455B8#3455B8

#3455B8 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.3% C 0.161 H 266.4°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#3455B8
RGB	rgb(52, 85, 184)
HSL	hsl(225, 56%, 46%)
HSV	hsv(225, 72%, 72%)
CMYK	cmyk(71.7%, 53.8%, 0%, 27.8%)
CIE-LAB	lab(39.05, 22.40, -55.92)
CIE-LCH	lch(39.05, 60.24, 291.83°)
OKLab	oklab(48.27% -0.01 -0.1609)
OKLCH	oklch(48.27% 0.161 266.4)
XYZ	xyz(13.3134, 10.6864, 46.6991)
Luminance	0.1069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3455B8 #B89734

analogous

#3497B8 #3455B8 #5534B8

triadic

#3455B8 #B83455 #55B834

tetradic

#3455B8 #B83497 #B89734 #34B855

square

#3455B8 #B83497 #B89734 #34B855

split-complementary

#3455B8 #B85534 #97B834

monochromatic

#192959 #273F88 #3455B8 #5977D0 #899EDE

Accessibility & contrast

On white

6.69

#3455B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#3455B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3455B8

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3455B8	#FFFFFF	#000000	##FFFFFF
##3455B8	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0962BB

Deuteranopia (green-blind)

#0056B6

Tritanopia (blue-blind)

#006D7E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3455b8;
/* rgb */ color: rgb(52, 85, 184);
/* oklch */ color: oklch(48.3% 0.161 266.4);

Tailwind

colors: {
  custom: {
    50: '#7d84ce',
    500: '#3455b8',
    950: '#000000',
  },
}

SCSS

$custom: #3455b8;
$custom-light: #7d84ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3455b8",
  "rgb": {
    "r": 52,
    "g": 85,
    "b": 184
  },
  "hsl": {
    "h": 225,
    "s": 55.932,
    "l": 46.275
  },
  "oklch": {
    "l": 0.48272,
    "c": 0.16124,
    "h": 266.4
  },
  "luminance": 0.10688
}

Semantic roles & 50–950 ramp

primary

#3455B8

secondary

#C8B680

accent

#BA49DF

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3455B8

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

Preview Lab → · Contrast checker → · Palette generator →