#455BB0#455BB0

#455BB0 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.8% C 0.137 H 269.9°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#455BB0
RGB	rgb(69, 91, 176)
HSL	hsl(228, 44%, 48%)
HSV	hsv(228, 61%, 69%)
CMYK	cmyk(60.8%, 48.3%, 0%, 31%)
CIE-LAB	lab(41.03, 18.44, -47.98)
CIE-LCH	lch(41.03, 51.40, 291.02°)
OKLab	oklab(49.84% -0.0002 -0.1371)
OKLCH	oklch(49.84% 0.137 269.9)
XYZ	xyz(14.0292, 11.8808, 42.6198)
Luminance	0.1188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455BB0 #B09A45

analogous

#4590B0 #455BB0 #6545B0

triadic

#455BB0 #B0455B #5BB045

tetradic

#455BB0 #B04590 #B09A45 #45B065

square

#455BB0 #B04590 #B09A45 #45B065

split-complementary

#455BB0 #B06545 #90B045

monochromatic

#232E58 #344484 #455BB0 #6D7FC6 #99A5D7

Accessibility & contrast

On white

6.22

#455BB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#455BB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455BB0

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455BB0	#FFFFFF	#000000	##FFFFFF
##455BB0	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3166B3

Deuteranopia (green-blind)

#1E5CAE

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #455bb0;
/* rgb */ color: rgb(69, 91, 176);
/* oklch */ color: oklch(49.8% 0.137 269.9);

Tailwind

colors: {
  custom: {
    50: '#8289c8',
    500: '#455bb0',
    950: '#000000',
  },
}

SCSS

$custom: #455bb0;
$custom-light: #8289c8;
$custom-dark: #000000;

JSON

{
  "hex": "#455bb0",
  "rgb": {
    "r": 69,
    "g": 91,
    "b": 176
  },
  "hsl": {
    "h": 227.664,
    "s": 43.673,
    "l": 48.039
  },
  "oklch": {
    "l": 0.49839,
    "c": 0.13713,
    "h": 269.9
  },
  "luminance": 0.11882
}

Semantic roles & 50–950 ramp

primary

#455BB0

secondary

#C3B88E

accent

#B954D3

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #455BB0

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

Preview Lab → · Contrast checker → · Palette generator →