#455BC9#455BC9

#455BC9 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.6% C 0.172 H 270.7°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#455BC9
RGB	rgb(69, 91, 201)
HSL	hsl(230, 55%, 53%)
HSV	hsv(230, 66%, 79%)
CMYK	cmyk(65.7%, 54.7%, 0%, 21.2%)
CIE-LAB	lab(42.71, 27.19, -59.84)
CIE-LCH	lch(42.71, 65.73, 294.43°)
OKLab	oklab(51.65% 0.002 -0.172)
OKLCH	oklch(51.65% 0.172 270.7)
XYZ	xyz(16.7344, 12.9629, 56.8672)
Luminance	0.1296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455BC9 #C9B345

analogous

#459DC9 #455BC9 #7145C9

triadic

#455BC9 #C9455B #5BC945

tetradic

#455BC9 #C9459D #C9B345 #45C971

square

#455BC9 #C9459D #C9B345 #45C971

split-complementary

#455BC9 #C97145 #9DC945

monochromatic

#212F72 #2F42A2 #455BC9 #7485D7 #A4AFE5

Accessibility & contrast

On white

5.85

#455BC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#455BC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455BC9

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455BC9	#FFFFFF	#000000	##FFFFFF
##455BC9	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCD

Deuteranopia (green-blind)

#005FC7

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #455bc9;
/* rgb */ color: rgb(69, 91, 201);
/* oklch */ color: oklch(51.6% 0.172 270.7);

Tailwind

colors: {
  custom: {
    50: '#8789da',
    500: '#455bc9',
    950: '#000000',
  },
}

SCSS

$custom: #455bc9;
$custom-light: #8789da;
$custom-dark: #000000;

JSON

{
  "hex": "#455bc9",
  "rgb": {
    "r": 69,
    "g": 91,
    "b": 201
  },
  "hsl": {
    "h": 230,
    "s": 55,
    "l": 52.941
  },
  "oklch": {
    "l": 0.51646,
    "c": 0.17204,
    "h": 270.7
  },
  "luminance": 0.12964
}

Semantic roles & 50–950 ramp

primary

#455BC9

secondary

#D1C898

accent

#C649DE

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #455BC9

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

Preview Lab → · Contrast checker → · Palette generator →