#455DB8#455DB8

#455DB8 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.8% C 0.146 H 269.5°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#455DB8
RGB	rgb(69, 93, 184)
HSL	hsl(227, 45%, 50%)
HSV	hsv(227, 63%, 72%)
CMYK	cmyk(62.5%, 49.5%, 0%, 27.8%)
CIE-LAB	lab(42.08, 19.95, -50.98)
CIE-LCH	lch(42.08, 54.74, 291.37°)
OKLab	oklab(50.81% -0.0013 -0.1459)
OKLCH	oklch(50.81% 0.146 269.5)
XYZ	xyz(15.0174, 12.5533, 46.9697)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455DB8 #B8A045

analogous

#4597B8 #455DB8 #6645B8

triadic

#455DB8 #B8455D #5DB845

tetradic

#455DB8 #B84597 #B8A045 #45B866

square

#455DB8 #B84597 #B8A045 #45B866

split-complementary

#455DB8 #B86645 #97B845

monochromatic

#24305F #34478B #455DB8 #7183CA #9DAADA

Accessibility & contrast

On white

5.98

#455DB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#455DB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455DB8

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455DB8	#FFFFFF	#000000	##FFFFFF
##455DB8	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D69BB

Deuteranopia (green-blind)

#145EB6

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #455db8;
/* rgb */ color: rgb(69, 93, 184);
/* oklch */ color: oklch(50.8% 0.146 269.5);

Tailwind

colors: {
  custom: {
    50: '#848ace',
    500: '#455db8',
    950: '#000000',
  },
}

SCSS

$custom: #455db8;
$custom-light: #848ace;
$custom-dark: #000000;

JSON

{
  "hex": "#455db8",
  "rgb": {
    "r": 69,
    "g": 93,
    "b": 184
  },
  "hsl": {
    "h": 227.478,
    "s": 45.455,
    "l": 49.608
  },
  "oklch": {
    "l": 0.50806,
    "c": 0.14592,
    "h": 269.5
  },
  "luminance": 0.12555
}

Semantic roles & 50–950 ramp

primary

#455DB8

secondary

#C7BC92

accent

#BA53D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #455DB8

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

Preview Lab → · Contrast checker → · Palette generator →