#455AC9#455AC9

#455AC9 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.5% C 0.173 H 271.0°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#455AC9
RGB	rgb(69, 90, 201)
HSL	hsl(230, 55%, 53%)
HSV	hsv(230, 66%, 79%)
CMYK	cmyk(65.7%, 55.2%, 0%, 21.2%)
CIE-LAB	lab(42.45, 27.82, -60.26)
CIE-LCH	lch(42.45, 66.37, 294.78°)
OKLab	oklab(51.45% 0.0029 -0.1733)
OKLCH	oklch(51.45% 0.173 271)
XYZ	xyz(16.6495, 12.7931, 56.8389)
Luminance	0.1280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455AC9 #C9B445

analogous

#459CC9 #455AC9 #7245C9

triadic

#455AC9 #C9455A #5AC945

tetradic

#455AC9 #C9459C #C9B445 #45C972

square

#455AC9 #C9459C #C9B445 #45C972

split-complementary

#455AC9 #C97245 #9CC945

monochromatic

#212E72 #2F41A2 #455AC9 #7484D7 #A4AEE5

Accessibility & contrast

On white

5.90

#455AC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#455AC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455AC9

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455AC9	#FFFFFF	#000000	##FFFFFF
##455AC9	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACD

Deuteranopia (green-blind)

#005EC7

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #455ac9;
/* rgb */ color: rgb(69, 90, 201);
/* oklch */ color: oklch(51.5% 0.173 271.0);

Tailwind

colors: {
  custom: {
    50: '#8788da',
    500: '#455ac9',
    950: '#000000',
  },
}

SCSS

$custom: #455ac9;
$custom-light: #8788da;
$custom-dark: #000000;

JSON

{
  "hex": "#455ac9",
  "rgb": {
    "r": 69,
    "g": 90,
    "b": 201
  },
  "hsl": {
    "h": 230.455,
    "s": 55,
    "l": 52.941
  },
  "oklch": {
    "l": 0.51452,
    "c": 0.17329,
    "h": 271
  },
  "luminance": 0.12795
}

Semantic roles & 50–950 ramp

primary

#455AC9

secondary

#D1C898

accent

#C749DE

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #455AC9

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

Preview Lab → · Contrast checker → · Palette generator →