#455CB5#455CB5

#455CB5 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.4% C 0.143 H 269.8°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#455CB5
RGB	rgb(69, 92, 181)
HSL	hsl(228, 45%, 49%)
HSV	hsv(228, 62%, 71%)
CMYK	cmyk(61.9%, 49.2%, 0%, 29%)
CIE-LAB	lab(41.62, 19.54, -49.97)
CIE-LCH	lch(41.62, 53.65, 291.36°)
OKLab	oklab(50.39% -0.0006 -0.143)
OKLCH	oklch(50.39% 0.143 269.8)
XYZ	xyz(14.6191, 12.2545, 45.3021)
Luminance	0.1226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455CB5 #B59E45

analogous

#4594B5 #455CB5 #6645B5

triadic

#455CB5 #B5455C #5CB545

tetradic

#455CB5 #B54594 #B59E45 #45B566

square

#455CB5 #B54594 #B59E45 #45B566

split-complementary

#455CB5 #B56645 #94B545

monochromatic

#232F5C #344589 #455CB5 #6F81C8 #9BA8D9

Accessibility & contrast

On white

6.08

#455CB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#455CB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455CB5

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455CB5	#FFFFFF	#000000	##FFFFFF
##455CB5	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E67B8

Deuteranopia (green-blind)

#175DB3

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #455cb5;
/* rgb */ color: rgb(69, 92, 181);
/* oklch */ color: oklch(50.4% 0.143 269.8);

Tailwind

colors: {
  custom: {
    50: '#8389cc',
    500: '#455cb5',
    950: '#000000',
  },
}

SCSS

$custom: #455cb5;
$custom-light: #8389cc;
$custom-dark: #000000;

JSON

{
  "hex": "#455cb5",
  "rgb": {
    "r": 69,
    "g": 92,
    "b": 181
  },
  "hsl": {
    "h": 227.679,
    "s": 44.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.50391,
    "c": 0.14296,
    "h": 269.8
  },
  "luminance": 0.12256
}

Semantic roles & 50–950 ramp

primary

#455CB5

secondary

#C5BA91

accent

#BA53D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #455CB5

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

Preview Lab → · Contrast checker → · Palette generator →