#455D99#455D99

#455D99 is a mid, moderate blue. Relative luminance 0.114; OKLCH L 48.8% C 0.101 H 266.3°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#455D99
RGB	rgb(69, 93, 153)
HSL	hsl(223, 38%, 44%)
HSV	hsv(223, 55%, 60%)
CMYK	cmyk(54.9%, 39.2%, 0%, 40%)
CIE-LAB	lab(40.23, 9.25, -35.59)
CIE-LCH	lch(40.23, 36.77, 284.57°)
OKLab	oklab(48.79% -0.0066 -0.1008)
OKLCH	oklch(48.79% 0.101 266.3)
XYZ	xyz(12.1164, 11.3929, 31.6914)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455D99 #998145

analogous

#458799 #455D99 #574599

triadic

#455D99 #99455D #5D9945

tetradic

#455D99 #994587 #998145 #459957

square

#455D99 #994587 #998145 #459957

split-complementary

#455D99 #995745 #879945

monochromatic

#1F2A45 #32436F #455D99 #637BB9 #8D9FCC

Accessibility & contrast

On white

6.40

#455D99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#455D99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455D99

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455D99	#FFFFFF	#000000	##FFFFFF
##455D99	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45639B

Deuteranopia (green-blind)

#3B5B98

Tritanopia (blue-blind)

#186A73

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #455d99;
/* rgb */ color: rgb(69, 93, 153);
/* oklch */ color: oklch(48.8% 0.101 266.3);

Tailwind

colors: {
  custom: {
    50: '#7f8ab7',
    500: '#455d99',
    950: '#000000',
  },
}

SCSS

$custom: #455d99;
$custom-light: #7f8ab7;
$custom-dark: #000000;

JSON

{
  "hex": "#455d99",
  "rgb": {
    "r": 69,
    "g": 93,
    "b": 153
  },
  "hsl": {
    "h": 222.857,
    "s": 37.838,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48793,
    "c": 0.10097,
    "h": 266.3
  },
  "luminance": 0.11394
}

Semantic roles & 50–950 ramp

primary

#455D99

secondary

#B7A883

accent

#AD5ACE

background

#F8F8FB

surface

#EFF0F6

border

#CACBD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #455D99

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

Preview Lab → · Contrast checker → · Palette generator →