#455FCC#455FCC

#455FCC is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.7% C 0.171 H 269.6°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#455FCC
RGB	rgb(69, 95, 204)
HSL	hsl(228, 57%, 54%)
HSV	hsv(228, 66%, 80%)
CMYK	cmyk(66.2%, 53.4%, 0%, 20%)
CIE-LAB	lab(43.96, 25.70, -59.55)
CIE-LCH	lch(43.96, 64.86, 293.34°)
OKLab	oklab(52.65% -0.0013 -0.1711)
OKLCH	oklch(52.65% 0.171 269.6)
XYZ	xyz(17.4418, 13.8076, 58.8610)
Luminance	0.1381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455FCC #CCB245

analogous

#45A3CC #455FCC #6E45CC

triadic

#455FCC #CC455F #5FCC45

tetradic

#455FCC #CC45A3 #CCB245 #45CC6E

square

#455FCC #CC45A3 #CCB245 #45CC6E

split-complementary

#455FCC #CC6E45 #A3CC45

monochromatic

#203176 #2E45A6 #455FCC #7588D9 #A5B2E6

Accessibility & contrast

On white

5.58

#455FCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#455FCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455FCC

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455FCC	#FFFFFF	#000000	##FFFFFF
##455FCC	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#116ED0

Deuteranopia (green-blind)

#0062CA

Tritanopia (blue-blind)

#00798C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #455fcc;
/* rgb */ color: rgb(69, 95, 204);
/* oklch */ color: oklch(52.7% 0.171 269.6);

Tailwind

colors: {
  custom: {
    50: '#878cdc',
    500: '#455fcc',
    950: '#000000',
  },
}

SCSS

$custom: #455fcc;
$custom-light: #878cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#455fcc",
  "rgb": {
    "r": 69,
    "g": 95,
    "b": 204
  },
  "hsl": {
    "h": 228.444,
    "s": 56.962,
    "l": 53.529
  },
  "oklch": {
    "l": 0.52651,
    "c": 0.17113,
    "h": 269.6
  },
  "luminance": 0.13809
}

Semantic roles & 50–950 ramp

primary

#455FCC

secondary

#D3C899

accent

#C348E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0D0C15

muted

#7D7D83

Preview Lab

Preview with #455FCC

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

Preview Lab → · Contrast checker → · Palette generator →