#455CBC#455CBC

#455CBC is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.9% C 0.153 H 270.1°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#455CBC
RGB	rgb(69, 92, 188)
HSL	hsl(228, 47%, 50%)
HSV	hsv(228, 63%, 74%)
CMYK	cmyk(63.3%, 51.1%, 0%, 26.3%)
CIE-LAB	lab(42.08, 21.99, -53.32)
CIE-LCH	lch(42.08, 57.68, 292.41°)
OKLab	oklab(50.89% 0.0001 -0.1528)
OKLCH	oklch(50.89% 0.153 270.1)
XYZ	xyz(15.3554, 12.5490, 49.1802)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455CBC #BCA545

analogous

#4598BC #455CBC #6945BC

triadic

#455CBC #BC455C #5CBC45

tetradic

#455CBC #BC4598 #BCA545 #45BC69

square

#455CBC #BC4598 #BCA545 #45BC69

split-complementary

#455CBC #BC6945 #98BC45

monochromatic

#243063 #344690 #455CBC #7283CC #9FABDC

Accessibility & contrast

On white

5.98

#455CBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#455CBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455CBC

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455CBC	#FFFFFF	#000000	##FFFFFF
##455CBC	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2569BF

Deuteranopia (green-blind)

#005EBA

Tritanopia (blue-blind)

#007283

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #455cbc;
/* rgb */ color: rgb(69, 92, 188);
/* oklch */ color: oklch(50.9% 0.153 270.1);

Tailwind

colors: {
  custom: {
    50: '#8489d1',
    500: '#455cbc',
    950: '#000000',
  },
}

SCSS

$custom: #455cbc;
$custom-light: #8489d1;
$custom-dark: #000000;

JSON

{
  "hex": "#455cbc",
  "rgb": {
    "r": 69,
    "g": 92,
    "b": 188
  },
  "hsl": {
    "h": 228.403,
    "s": 47.036,
    "l": 50.392
  },
  "oklch": {
    "l": 0.50885,
    "c": 0.15283,
    "h": 270.1
  },
  "luminance": 0.1255
}

Semantic roles & 50–950 ramp

primary

#455CBC

secondary

#C9BF94

accent

#BD51D7

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #455CBC

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

Preview Lab → · Contrast checker → · Palette generator →