#455CB8#455CB8

#455CB8 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.6% C 0.147 H 269.9°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#455CB8
RGB	rgb(69, 92, 184)
HSL	hsl(228, 45%, 50%)
HSV	hsv(228, 63%, 72%)
CMYK	cmyk(62.5%, 50%, 0%, 27.8%)
CIE-LAB	lab(41.81, 20.59, -51.41)
CIE-LCH	lch(41.81, 55.38, 291.83°)
OKLab	oklab(50.6% -0.0003 -0.1472)
OKLCH	oklch(50.6% 0.147 269.9)
XYZ	xyz(14.9302, 12.3789, 46.9407)
Luminance	0.1238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455CB8 #B8A145

analogous

#4596B8 #455CB8 #6845B8

triadic

#455CB8 #B8455C #5CB845

tetradic

#455CB8 #B84596 #B8A145 #45B868

square

#455CB8 #B84596 #B8A145 #45B868

split-complementary

#455CB8 #B86845 #96B845

monochromatic

#242F5F #34468B #455CB8 #7182CA #9DA9DA

Accessibility & contrast

On white

6.04

#455CB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#455CB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455CB8

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455CB8	#FFFFFF	#000000	##FFFFFF
##455CB8	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A68BB

Deuteranopia (green-blind)

#0F5EB6

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #455cb8;
/* rgb */ color: rgb(69, 92, 184);
/* oklch */ color: oklch(50.6% 0.147 269.9);

Tailwind

colors: {
  custom: {
    50: '#8489ce',
    500: '#455cb8',
    950: '#000000',
  },
}

SCSS

$custom: #455cb8;
$custom-light: #8489ce;
$custom-dark: #000000;

JSON

{
  "hex": "#455cb8",
  "rgb": {
    "r": 69,
    "g": 92,
    "b": 184
  },
  "hsl": {
    "h": 228,
    "s": 45.455,
    "l": 49.608
  },
  "oklch": {
    "l": 0.50601,
    "c": 0.14721,
    "h": 269.9
  },
  "luminance": 0.1238
}

Semantic roles & 50–950 ramp

primary

#455CB8

secondary

#C7BC92

accent

#BB53D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #455CB8

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

Preview Lab → · Contrast checker → · Palette generator →