#455BB7#455BB7

#455BB7 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.3% C 0.147 H 270.2°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#455BB7
RGB	rgb(69, 91, 183)
HSL	hsl(228, 45%, 49%)
HSV	hsv(228, 62%, 72%)
CMYK	cmyk(62.3%, 50.3%, 0%, 28.2%)
CIE-LAB	lab(41.48, 20.88, -51.36)
CIE-LCH	lch(41.48, 55.45, 292.12°)
OKLab	oklab(50.33% 0.0006 -0.1471)
OKLCH	oklch(50.33% 0.147 270.2)
XYZ	xyz(14.7397, 12.1650, 46.3619)
Luminance	0.1217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455BB7 #B7A145

analogous

#4594B7 #455BB7 #6845B7

triadic

#455BB7 #B7455B #5BB745

tetradic

#455BB7 #B74594 #B7A145 #45B768

square

#455BB7 #B74594 #B7A145 #45B768

split-complementary

#455BB7 #B76845 #94B745

monochromatic

#232F5E #34458B #455BB7 #7081C9 #9DA8DA

Accessibility & contrast

On white

6.12

#455BB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#455BB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455BB7

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455BB7	#FFFFFF	#000000	##FFFFFF
##455BB7	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2967BA

Deuteranopia (green-blind)

#0D5DB5

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #455bb7;
/* rgb */ color: rgb(69, 91, 183);
/* oklch */ color: oklch(50.3% 0.147 270.2);

Tailwind

colors: {
  custom: {
    50: '#8489cd',
    500: '#455bb7',
    950: '#000000',
  },
}

SCSS

$custom: #455bb7;
$custom-light: #8489cd;
$custom-dark: #000000;

JSON

{
  "hex": "#455bb7",
  "rgb": {
    "r": 69,
    "g": 91,
    "b": 183
  },
  "hsl": {
    "h": 228.421,
    "s": 45.238,
    "l": 49.412
  },
  "oklch": {
    "l": 0.50326,
    "c": 0.14708,
    "h": 270.2
  },
  "luminance": 0.12166
}

Semantic roles & 50–950 ramp

primary

#455BB7

secondary

#C6BC92

accent

#BC53D5

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #455BB7

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

Preview Lab → · Contrast checker → · Palette generator →