#455DB3#455DB3

#455DB3 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.5% C 0.139 H 269.2°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#455DB3
RGB	rgb(69, 93, 179)
HSL	hsl(227, 44%, 49%)
HSV	hsv(227, 61%, 70%)
CMYK	cmyk(61.5%, 48%, 0%, 29.8%)
CIE-LAB	lab(41.76, 18.20, -48.56)
CIE-LCH	lch(41.76, 51.86, 290.55°)
OKLab	oklab(50.46% -0.0019 -0.1388)
OKLCH	oklch(50.46% 0.139 269.2)
XYZ	xyz(14.5025, 12.3474, 44.2581)
Luminance	0.1235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455DB3 #B39B45

analogous

#4594B3 #455DB3 #6445B3

triadic

#455DB3 #B3455D #5DB345

tetradic

#455DB3 #B34594 #B39B45 #45B364

square

#455DB3 #B34594 #B39B45 #45B364

split-complementary

#455DB3 #B36445 #94B345

monochromatic

#232F5B #344687 #455DB3 #6E81C7 #9AA8D8

Accessibility & contrast

On white

6.05

#455DB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#455DB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455DB3

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455DB3	#FFFFFF	#000000	##FFFFFF
##455DB3	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3268B6

Deuteranopia (green-blind)

#1E5EB1

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #455db3;
/* rgb */ color: rgb(69, 93, 179);
/* oklch */ color: oklch(50.5% 0.139 269.2);

Tailwind

colors: {
  custom: {
    50: '#838aca',
    500: '#455db3',
    950: '#000000',
  },
}

SCSS

$custom: #455db3;
$custom-light: #838aca;
$custom-dark: #000000;

JSON

{
  "hex": "#455db3",
  "rgb": {
    "r": 69,
    "g": 93,
    "b": 179
  },
  "hsl": {
    "h": 226.909,
    "s": 44.355,
    "l": 48.627
  },
  "oklch": {
    "l": 0.50461,
    "c": 0.13882,
    "h": 269.2
  },
  "luminance": 0.12349
}

Semantic roles & 50–950 ramp

primary

#455DB3

secondary

#C4B98F

accent

#B854D4

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #455DB3

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

Preview Lab → · Contrast checker → · Palette generator →