#455DB5#455DB5

#455DB5 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.6% C 0.142 H 269.3°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#455DB5
RGB	rgb(69, 93, 181)
HSL	hsl(227, 45%, 49%)
HSV	hsv(227, 62%, 71%)
CMYK	cmyk(61.9%, 48.6%, 0%, 29%)
CIE-LAB	lab(41.89, 18.90, -49.53)
CIE-LCH	lch(41.89, 53.01, 290.89°)
OKLab	oklab(50.6% -0.0016 -0.1417)
OKLCH	oklch(50.6% 0.142 269.3)
XYZ	xyz(14.7063, 12.4289, 45.3311)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455DB5 #B59D45

analogous

#4595B5 #455DB5 #6545B5

triadic

#455DB5 #B5455D #5DB545

tetradic

#455DB5 #B54595 #B59D45 #45B565

square

#455DB5 #B54595 #B59D45 #45B565

split-complementary

#455DB5 #B56545 #95B545

monochromatic

#232F5C #344689 #455DB5 #6F82C8 #9BA9D9

Accessibility & contrast

On white

6.02

#455DB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#455DB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455DB5

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455DB5	#FFFFFF	#000000	##FFFFFF
##455DB5	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3068B8

Deuteranopia (green-blind)

#1B5EB3

Tritanopia (blue-blind)

#007180

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #455db5;
/* rgb */ color: rgb(69, 93, 181);
/* oklch */ color: oklch(50.6% 0.142 269.3);

Tailwind

colors: {
  custom: {
    50: '#838acc',
    500: '#455db5',
    950: '#000000',
  },
}

SCSS

$custom: #455db5;
$custom-light: #838acc;
$custom-dark: #000000;

JSON

{
  "hex": "#455db5",
  "rgb": {
    "r": 69,
    "g": 93,
    "b": 181
  },
  "hsl": {
    "h": 227.143,
    "s": 44.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.50598,
    "c": 0.14167,
    "h": 269.3
  },
  "luminance": 0.1243
}

Semantic roles & 50–950 ramp

primary

#455DB5

secondary

#C5BA91

accent

#B953D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #455DB5

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

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