#455AB3#455AB3

#455AB3 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.8% C 0.143 H 270.5°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#455AB3
RGB	rgb(69, 90, 179)
HSL	hsl(229, 44%, 49%)
HSV	hsv(229, 61%, 70%)
CMYK	cmyk(61.5%, 49.7%, 0%, 29.8%)
CIE-LAB	lab(40.95, 20.13, -49.87)
CIE-LCH	lch(40.95, 53.78, 291.98°)
OKLab	oklab(49.84% 0.0012 -0.1427)
OKLCH	oklch(49.84% 0.143 270.5)
XYZ	xyz(14.2444, 11.8310, 44.1721)
Luminance	0.1183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455AB3 #B39E45

analogous

#4591B3 #455AB3 #6745B3

triadic

#455AB3 #B3455A #5AB345

tetradic

#455AB3 #B34591 #B39E45 #45B367

square

#455AB3 #B34591 #B39E45 #45B367

split-complementary

#455AB3 #B36745 #91B345

monochromatic

#232E5B #344487 #455AB3 #6E7FC7 #9AA6D8

Accessibility & contrast

On white

6.24

#455AB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#455AB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455AB3

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455AB3	#FFFFFF	#000000	##FFFFFF
##455AB3	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B66B6

Deuteranopia (green-blind)

#145CB1

Tritanopia (blue-blind)

#006E7E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #455ab3;
/* rgb */ color: rgb(69, 90, 179);
/* oklch */ color: oklch(49.8% 0.143 270.5);

Tailwind

colors: {
  custom: {
    50: '#8388ca',
    500: '#455ab3',
    950: '#000000',
  },
}

SCSS

$custom: #455ab3;
$custom-light: #8388ca;
$custom-dark: #000000;

JSON

{
  "hex": "#455ab3",
  "rgb": {
    "r": 69,
    "g": 90,
    "b": 179
  },
  "hsl": {
    "h": 228.545,
    "s": 44.355,
    "l": 48.627
  },
  "oklch": {
    "l": 0.4984,
    "c": 0.14272,
    "h": 270.5
  },
  "luminance": 0.11832
}

Semantic roles & 50–950 ramp

primary

#455AB3

secondary

#C4BA8F

accent

#BC54D4

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #455AB3

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

Preview Lab → · Contrast checker → · Palette generator →