#455BD9#455BD9

#455BD9 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.9% C 0.193 H 270.7°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#455BD9
RGB	rgb(69, 91, 217)
HSL	hsl(231, 66%, 56%)
HSV	hsv(231, 68%, 85%)
CMYK	cmyk(68.2%, 58.1%, 0%, 14.9%)
CIE-LAB	lab(43.88, 32.78, -67.13)
CIE-LCH	lch(43.88, 74.70, 296.03°)
OKLab	oklab(52.89% 0.0025 -0.1934)
OKLCH	oklch(52.89% 0.193 270.7)
XYZ	xyz(18.7155, 13.7553, 67.3009)
Luminance	0.1376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455BD9 #D9C345

analogous

#45A5D9 #455BD9 #7945D9

triadic

#455BD9 #D9455B #5BD945

tetradic

#455BD9 #D945A5 #D9C345 #45D979

square

#455BD9 #D945A5 #D9C345 #45D979

split-complementary

#455BD9 #D97945 #A5D945

monochromatic

#1C2C88 #263CBB #455BD9 #7888E3 #ABB5EE

Accessibility & contrast

On white

5.60

#455BD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#455BD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455BD9

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455BD9	#FFFFFF	#000000	##FFFFFF
##455BD9	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FDD

Deuteranopia (green-blind)

#0061D7

Tritanopia (blue-blind)

#007A91

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #455bd9;
/* rgb */ color: rgb(69, 91, 217);
/* oklch */ color: oklch(52.9% 0.193 270.7);

Tailwind

colors: {
  custom: {
    50: '#8a89e6',
    500: '#455bd9',
    950: '#000000',
  },
}

SCSS

$custom: #455bd9;
$custom-light: #8a89e6;
$custom-dark: #000000;

JSON

{
  "hex": "#455bd9",
  "rgb": {
    "r": 69,
    "g": 91,
    "b": 217
  },
  "hsl": {
    "h": 231.081,
    "s": 66.071,
    "l": 56.078
  },
  "oklch": {
    "l": 0.52892,
    "c": 0.19346,
    "h": 270.7
  },
  "luminance": 0.13757
}

Semantic roles & 50–950 ramp

primary

#455BD9

secondary

#DBD29E

accent

#D03FE9

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #455BD9

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

Preview Lab → · Contrast checker → · Palette generator →