#455BBB#455BBB

#455BBB is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.6% C 0.153 H 270.4°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#455BBB
RGB	rgb(69, 91, 187)
HSL	hsl(229, 46%, 50%)
HSV	hsv(229, 63%, 73%)
CMYK	cmyk(63.1%, 51.3%, 0%, 26.7%)
CIE-LAB	lab(41.74, 22.28, -53.28)
CIE-LCH	lch(41.74, 57.75, 292.70°)
OKLab	oklab(50.61% 0.001 -0.1527)
OKLCH	oklch(50.61% 0.153 270.4)
XYZ	xyz(15.1619, 12.3339, 48.5857)
Luminance	0.1234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455BBB #BBA545

analogous

#4596BB #455BBB #6A45BB

triadic

#455BBB #BB455B #5BBB45

tetradic

#455BBB #BB4596 #BBA545 #45BB6A

square

#455BBB #BB4596 #BBA545 #45BB6A

split-complementary

#455BBB #BB6A45 #96BB45

monochromatic

#242F62 #34458F #455BBB #7283CB #9FAADC

Accessibility & contrast

On white

6.06

#455BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#455BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455BBB

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455BBB	#FFFFFF	#000000	##FFFFFF
##455BBB	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2468BE

Deuteranopia (green-blind)

#005DB9

Tritanopia (blue-blind)

#007182

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #455bbb;
/* rgb */ color: rgb(69, 91, 187);
/* oklch */ color: oklch(50.6% 0.153 270.4);

Tailwind

colors: {
  custom: {
    50: '#8489d0',
    500: '#455bbb',
    950: '#000000',
  },
}

SCSS

$custom: #455bbb;
$custom-light: #8489d0;
$custom-dark: #000000;

JSON

{
  "hex": "#455bbb",
  "rgb": {
    "r": 69,
    "g": 91,
    "b": 187
  },
  "hsl": {
    "h": 228.814,
    "s": 46.457,
    "l": 50.196
  },
  "oklch": {
    "l": 0.50611,
    "c": 0.15271,
    "h": 270.4
  },
  "luminance": 0.12335
}

Semantic roles & 50–950 ramp

primary

#455BBB

secondary

#C8BE94

accent

#BD52D6

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #455BBB

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

Preview Lab → · Contrast checker → · Palette generator →