#455CCB#455CCB

#455CCB is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.0% C 0.174 H 270.4°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#455CCB
RGB	rgb(69, 92, 203)
HSL	hsl(230, 56%, 53%)
HSV	hsv(230, 66%, 80%)
CMYK	cmyk(66%, 54.7%, 0%, 20.4%)
CIE-LAB	lab(43.11, 27.26, -60.35)
CIE-LCH	lch(43.11, 66.22, 294.31°)
OKLab	oklab(51.99% 0.0013 -0.1735)
OKLCH	oklch(51.99% 0.174 270.4)
XYZ	xyz(17.0572, 13.2297, 58.1430)
Luminance	0.1323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455CCB #CBB445

analogous

#459FCB #455CCB #7145CB

triadic

#455CCB #CB455C #5CCB45

tetradic

#455CCB #CB459F #CBB445 #45CB71

square

#455CCB #CB459F #CBB445 #45CB71

split-complementary

#455CCB #CB7145 #9FCB45

monochromatic

#212F75 #2E42A5 #455CCB #7586D8 #A5B0E6

Accessibility & contrast

On white

5.76

#455CCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#455CCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455CCB

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455CCB	#FFFFFF	#000000	##FFFFFF
##455CCB	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CCF

Deuteranopia (green-blind)

#0060C9

Tritanopia (blue-blind)

#00778A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #455ccb;
/* rgb */ color: rgb(69, 92, 203);
/* oklch */ color: oklch(52.0% 0.174 270.4);

Tailwind

colors: {
  custom: {
    50: '#8789dc',
    500: '#455ccb',
    950: '#000000',
  },
}

SCSS

$custom: #455ccb;
$custom-light: #8789dc;
$custom-dark: #000000;

JSON

{
  "hex": "#455ccb",
  "rgb": {
    "r": 69,
    "g": 92,
    "b": 203
  },
  "hsl": {
    "h": 229.701,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.51991,
    "c": 0.17351,
    "h": 270.4
  },
  "luminance": 0.13231
}

Semantic roles & 50–950 ramp

primary

#455CCB

secondary

#D3C999

accent

#C648E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #455CCB

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

Preview Lab → · Contrast checker → · Palette generator →