#455BD3#455BD3

#455BD3 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.4% C 0.186 H 270.7°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#455BD3
RGB	rgb(69, 91, 211)
HSL	hsl(231, 62%, 55%)
HSV	hsv(231, 67%, 83%)
CMYK	cmyk(67.3%, 56.9%, 0%, 17.3%)
CIE-LAB	lab(43.43, 30.69, -64.42)
CIE-LCH	lch(43.43, 71.36, 295.47°)
OKLab	oklab(52.42% 0.0024 -0.1855)
OKLCH	oklch(52.42% 0.186 270.7)
XYZ	xyz(17.9492, 13.4488, 63.2653)
Luminance	0.1345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455BD3 #D3BD45

analogous

#45A2D3 #455BD3 #7645D3

triadic

#455BD3 #D3455B #5BD345

tetradic

#455BD3 #D345A2 #D3BD45 #45D376

square

#455BD3 #D345A2 #D3BD45 #45D376

split-complementary

#455BD3 #D37645 #A2D345

monochromatic

#1E2D7F #2A3FB1 #455BD3 #7687DF #A8B2EA

Accessibility & contrast

On white

5.69

#455BD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#455BD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455BD3

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455BD3	#FFFFFF	#000000	##FFFFFF
##455BD3	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD7

Deuteranopia (green-blind)

#0060D1

Tritanopia (blue-blind)

#00788E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #455bd3;
/* rgb */ color: rgb(69, 91, 211);
/* oklch */ color: oklch(52.4% 0.186 270.7);

Tailwind

colors: {
  custom: {
    50: '#8989e1',
    500: '#455bd3',
    950: '#000000',
  },
}

SCSS

$custom: #455bd3;
$custom-light: #8989e1;
$custom-dark: #000000;

JSON

{
  "hex": "#455bd3",
  "rgb": {
    "r": 69,
    "g": 91,
    "b": 211
  },
  "hsl": {
    "h": 230.704,
    "s": 61.739,
    "l": 54.902
  },
  "oklch": {
    "l": 0.52417,
    "c": 0.18552,
    "h": 270.7
  },
  "luminance": 0.13451
}

Semantic roles & 50–950 ramp

primary

#455BD3

secondary

#D8CF9C

accent

#CC43E5

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #455BD3

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

Preview Lab → · Contrast checker → · Palette generator →