#455BB8#455BB8

#455BB8 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.4% C 0.148 H 270.3°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#455BB8
RGB	rgb(69, 91, 184)
HSL	hsl(229, 45%, 50%)
HSV	hsv(229, 63%, 72%)
CMYK	cmyk(62.5%, 50.5%, 0%, 27.8%)
CIE-LAB	lab(41.54, 21.23, -51.84)
CIE-LCH	lch(41.54, 56.02, 292.27°)
OKLab	oklab(50.4% 0.0007 -0.1485)
OKLCH	oklch(50.4% 0.148 270.3)
XYZ	xyz(14.8441, 12.2068, 46.9120)
Luminance	0.1221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455BB8 #B8A245

analogous

#4595B8 #455BB8 #6945B8

triadic

#455BB8 #B8455B #5BB845

tetradic

#455BB8 #B84595 #B8A245 #45B869

square

#455BB8 #B84595 #B8A245 #45B869

split-complementary

#455BB8 #B86945 #95B845

monochromatic

#242F5F #34458B #455BB8 #7182CA #9DA9DA

Accessibility & contrast

On white

6.10

#455BB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#455BB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455BB8

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455BB8	#FFFFFF	#000000	##FFFFFF
##455BB8	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2867BB

Deuteranopia (green-blind)

#095DB6

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #455bb8;
/* rgb */ color: rgb(69, 91, 184);
/* oklch */ color: oklch(50.4% 0.148 270.3);

Tailwind

colors: {
  custom: {
    50: '#8489ce',
    500: '#455bb8',
    950: '#000000',
  },
}

SCSS

$custom: #455bb8;
$custom-light: #8489ce;
$custom-dark: #000000;

JSON

{
  "hex": "#455bb8",
  "rgb": {
    "r": 69,
    "g": 91,
    "b": 184
  },
  "hsl": {
    "h": 228.522,
    "s": 45.455,
    "l": 49.608
  },
  "oklch": {
    "l": 0.50397,
    "c": 0.14849,
    "h": 270.3
  },
  "luminance": 0.12208
}

Semantic roles & 50–950 ramp

primary

#455BB8

secondary

#C7BD92

accent

#BC53D5

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #455BB8

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

Preview Lab → · Contrast checker → · Palette generator →