#453FBB#453FBB

#453FBB is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.5% C 0.188 H 278.0°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#453FBB
RGB	rgb(69, 63, 187)
HSL	hsl(243, 50%, 49%)
HSV	hsv(243, 66%, 73%)
CMYK	cmyk(63.1%, 66.3%, 0%, 26.7%)
CIE-LAB	lab(34.82, 39.88, -64.53)
CIE-LCH	lch(34.82, 75.86, 301.72°)
OKLab	oklab(45.48% 0.0262 -0.186)
OKLCH	oklch(45.48% 0.188 278)
XYZ	xyz(13.1985, 8.4070, 47.9313)
Luminance	0.0841 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.77

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#453FBB #B5BB3F

analogous

#3F77BB #453FBB #833FBB

triadic

#453FBB #BB453F #3FBB45

tetradic

#453FBB #BB3F77 #B5BB3F #3FBB83

square

#453FBB #BB3F77 #B5BB3F #3FBB83

split-complementary

#453FBB #BB833F #77BB3F

monochromatic

#23205F #34308D #453FBB #6F6ACD #9B98DC

Accessibility & contrast

On white

7.83

#453FBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#453FBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #453FBB

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##453FBB	#FFFFFF	#000000	##FFFFFF
##453FBB	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BF

Deuteranopia (green-blind)

#004DB9

Tritanopia (blue-blind)

#005F77

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #453fbb;
/* rgb */ color: rgb(69, 63, 187);
/* oklch */ color: oklch(45.5% 0.188 278.0);

Tailwind

colors: {
  custom: {
    50: '#8675d0',
    500: '#453fbb',
    950: '#000000',
  },
}

SCSS

$custom: #453fbb;
$custom-light: #8675d0;
$custom-dark: #000000;

JSON

{
  "hex": "#453fbb",
  "rgb": {
    "r": 69,
    "g": 63,
    "b": 187
  },
  "hsl": {
    "h": 242.903,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.45476,
    "c": 0.18785,
    "h": 278
  },
  "luminance": 0.08408
}

Semantic roles & 50–950 ramp

primary

#453FBB

secondary

#C5C88E

accent

#D94FD2

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #453FBB

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

Preview Lab → · Contrast checker → · Palette generator →