#455DBD#455DBD

#455DBD is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.2% C 0.153 H 269.7°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#455DBD
RGB	rgb(69, 93, 189)
HSL	hsl(228, 48%, 51%)
HSV	hsv(228, 63%, 74%)
CMYK	cmyk(63.5%, 50.8%, 0%, 25.9%)
CIE-LAB	lab(42.41, 21.70, -53.37)
CIE-LCH	lch(42.41, 57.61, 292.13°)
OKLab	oklab(51.16% -0.0007 -0.1529)
OKLCH	oklch(51.16% 0.153 269.7)
XYZ	xyz(15.5508, 12.7667, 49.7790)
Luminance	0.1277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455DBD #BDA545

analogous

#4599BD #455DBD #6945BD

triadic

#455DBD #BD455D #5DBD45

tetradic

#455DBD #BD4599 #BDA545 #45BD69

square

#455DBD #BD4599 #BDA545 #45BD69

split-complementary

#455DBD #BD6945 #99BD45

monochromatic

#243064 #344691 #455DBD #7284CD #9FACDD

Accessibility & contrast

On white

5.91

#455DBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#455DBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455DBD

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455DBD	#FFFFFF	#000000	##FFFFFF
##455DBD	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#276AC0

Deuteranopia (green-blind)

#005FBB

Tritanopia (blue-blind)

#007384

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #455dbd;
/* rgb */ color: rgb(69, 93, 189);
/* oklch */ color: oklch(51.2% 0.153 269.7);

Tailwind

colors: {
  custom: {
    50: '#858ad1',
    500: '#455dbd',
    950: '#000000',
  },
}

SCSS

$custom: #455dbd;
$custom-light: #858ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#455dbd",
  "rgb": {
    "r": 69,
    "g": 93,
    "b": 189
  },
  "hsl": {
    "h": 228,
    "s": 47.619,
    "l": 50.588
  },
  "oklch": {
    "l": 0.51159,
    "c": 0.15295,
    "h": 269.7
  },
  "luminance": 0.12768
}

Semantic roles & 50–950 ramp

primary

#455DBD

secondary

#CABF94

accent

#BC51D7

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #455DBD

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

Preview Lab → · Contrast checker → · Palette generator →