#3455B3#3455B3

#3455B3 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.9% C 0.154 H 266.1°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#3455B3
RGB	rgb(52, 85, 179)
HSL	hsl(224, 55%, 45%)
HSV	hsv(224, 71%, 70%)
CMYK	cmyk(70.9%, 52.5%, 0%, 29.8%)
CIE-LAB	lab(38.69, 20.54, -53.55)
CIE-LCH	lch(38.69, 57.36, 290.98°)
OKLab	oklab(47.89% -0.0105 -0.154)
OKLCH	oklch(47.89% 0.154 266.1)
XYZ	xyz(12.7985, 10.4804, 43.9875)
Luminance	0.1048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3455B3 #B39234

analogous

#3495B3 #3455B3 #5234B3

triadic

#3455B3 #B33455 #55B334

tetradic

#3455B3 #B33495 #B39234 #34B352

square

#3455B3 #B33495 #B39234 #34B352

split-complementary

#3455B3 #B35234 #95B334

monochromatic

#182854 #263E84 #3455B3 #5675CE #869CDC

Accessibility & contrast

On white

6.78

#3455B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#3455B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3455B3

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3455B3	#FFFFFF	#000000	##FFFFFF
##3455B3	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1761B6

Deuteranopia (green-blind)

#0056B1

Tritanopia (blue-blind)

#006B7C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3455b3;
/* rgb */ color: rgb(52, 85, 179);
/* oklch */ color: oklch(47.9% 0.154 266.1);

Tailwind

colors: {
  custom: {
    50: '#7b84ca',
    500: '#3455b3',
    950: '#000000',
  },
}

SCSS

$custom: #3455b3;
$custom-light: #7b84ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3455b3",
  "rgb": {
    "r": 52,
    "g": 85,
    "b": 179
  },
  "hsl": {
    "h": 224.409,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.47889,
    "c": 0.15432,
    "h": 266.1
  },
  "luminance": 0.10482
}

Semantic roles & 50–950 ramp

primary

#3455B3

secondary

#C5B37D

accent

#B849DE

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3455B3

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

Preview Lab → · Contrast checker → · Palette generator →