#455DB4#455DB4

#455DB4 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.5% C 0.140 H 269.3°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#455DB4
RGB	rgb(69, 93, 180)
HSL	hsl(227, 45%, 49%)
HSV	hsv(227, 62%, 71%)
CMYK	cmyk(61.7%, 48.3%, 0%, 29.4%)
CIE-LAB	lab(41.83, 18.55, -49.05)
CIE-LCH	lch(41.83, 52.44, 290.72°)
OKLab	oklab(50.53% -0.0017 -0.1402)
OKLCH	oklch(50.53% 0.14 269.3)
XYZ	xyz(14.6040, 12.3880, 44.7927)
Luminance	0.1239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455DB4 #B49C45

analogous

#4595B4 #455DB4 #6545B4

triadic

#455DB4 #B4455D #5DB445

tetradic

#455DB4 #B44595 #B49C45 #45B465

square

#455DB4 #B44595 #B49C45 #45B465

split-complementary

#455DB4 #B46545 #95B445

monochromatic

#232F5C #344688 #455DB4 #6F82C8 #9BA8D9

Accessibility & contrast

On white

6.04

#455DB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#455DB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455DB4

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455DB4	#FFFFFF	#000000	##FFFFFF
##455DB4	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)

#3168B7

Deuteranopia (green-blind)

#1D5EB2

Tritanopia (blue-blind)

#007180

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #455db4;
/* rgb */ color: rgb(69, 93, 180);
/* oklch */ color: oklch(50.5% 0.140 269.3);

Tailwind

colors: {
  custom: {
    50: '#838acb',
    500: '#455db4',
    950: '#000000',
  },
}

SCSS

$custom: #455db4;
$custom-light: #838acb;
$custom-dark: #000000;

JSON

{
  "hex": "#455db4",
  "rgb": {
    "r": 69,
    "g": 93,
    "b": 180
  },
  "hsl": {
    "h": 227.027,
    "s": 44.578,
    "l": 48.824
  },
  "oklch": {
    "l": 0.50529,
    "c": 0.14025,
    "h": 269.3
  },
  "luminance": 0.12389
}

Semantic roles & 50–950 ramp

primary

#455DB4

secondary

#C5B990

accent

#B854D4

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #455DB4

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

Preview Lab → · Contrast checker → · Palette generator →