#453FB3#453FB3

#453FB3 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.8% C 0.177 H 278.7°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#453FB3
RGB	rgb(69, 63, 179)
HSL	hsl(243, 48%, 47%)
HSV	hsv(243, 65%, 70%)
CMYK	cmyk(61.5%, 64.8%, 0%, 29.8%)
CIE-LAB	lab(34.14, 37.25, -60.91)
CIE-LCH	lch(34.14, 71.40, 301.45°)
OKLab	oklab(44.77% 0.027 -0.1754)
OKLCH	oklch(44.77% 0.177 278.7)
XYZ	xyz(12.3658, 8.0740, 43.5459)
Luminance	0.0808 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.64

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#453FB3 #ADB33F

analogous

#3F73B3 #453FB3 #7F3FB3

triadic

#453FB3 #B3453F #3FB345

tetradic

#453FB3 #B33F73 #ADB33F #3FB37F

square

#453FB3 #B33F73 #ADB33F #3FB37F

split-complementary

#453FB3 #B37F3F #73B33F

monochromatic

#221F58 #342F86 #453FB3 #6B66C9 #9793D9

Accessibility & contrast

On white

8.03

#453FB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#453FB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #453FB3

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##453FB3	#FFFFFF	#000000	##FFFFFF
##453FB3	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B7

Deuteranopia (green-blind)

#004CB1

Tritanopia (blue-blind)

#005C73

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #453fb3;
/* rgb */ color: rgb(69, 63, 179);
/* oklch */ color: oklch(44.8% 0.177 278.7);

Tailwind

colors: {
  custom: {
    50: '#8575cb',
    500: '#453fb3',
    950: '#000000',
  },
}

SCSS

$custom: #453fb3;
$custom-light: #8575cb;
$custom-dark: #000000;

JSON

{
  "hex": "#453fb3",
  "rgb": {
    "r": 69,
    "g": 63,
    "b": 179
  },
  "hsl": {
    "h": 243.103,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44771,
    "c": 0.17747,
    "h": 278.7
  },
  "luminance": 0.08075
}

Semantic roles & 50–950 ramp

primary

#453FB3

secondary

#C1C489

accent

#D850D1

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #453FB3

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

Preview Lab → · Contrast checker → · Palette generator →