#455EB5#455EB5

#455EB5 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.8% C 0.140 H 268.9°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#455EB5
RGB	rgb(69, 94, 181)
HSL	hsl(227, 45%, 49%)
HSV	hsv(227, 62%, 71%)
CMYK	cmyk(61.9%, 48.1%, 0%, 29%)
CIE-LAB	lab(42.16, 18.26, -49.09)
CIE-LCH	lch(42.16, 52.38, 290.40°)
OKLab	oklab(50.81% -0.0026 -0.1404)
OKLCH	oklch(50.81% 0.14 268.9)
XYZ	xyz(14.7946, 12.6056, 45.3606)
Luminance	0.1261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455EB5 #B59C45

analogous

#4596B5 #455EB5 #6445B5

triadic

#455EB5 #B5455E #5EB545

tetradic

#455EB5 #B54596 #B59C45 #45B564

square

#455EB5 #B54596 #B59C45 #45B564

split-complementary

#455EB5 #B56445 #96B545

monochromatic

#23305C #344789 #455EB5 #6F83C8 #9BA9D9

Accessibility & contrast

On white

5.96

#455EB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#455EB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455EB5

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455EB5	#FFFFFF	#000000	##FFFFFF
##455EB5	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3269B8

Deuteranopia (green-blind)

#1E5FB3

Tritanopia (blue-blind)

#007281

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #455eb5;
/* rgb */ color: rgb(69, 94, 181);
/* oklch */ color: oklch(50.8% 0.140 268.9);

Tailwind

colors: {
  custom: {
    50: '#838bcc',
    500: '#455eb5',
    950: '#000000',
  },
}

SCSS

$custom: #455eb5;
$custom-light: #838bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#455eb5",
  "rgb": {
    "r": 69,
    "g": 94,
    "b": 181
  },
  "hsl": {
    "h": 226.607,
    "s": 44.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.50806,
    "c": 0.14039,
    "h": 268.9
  },
  "luminance": 0.12607
}

Semantic roles & 50–950 ramp

primary

#455EB5

secondary

#C5BA91

accent

#B853D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #455EB5

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

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