#455FB8#455FB8

#455FB8 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.2% C 0.143 H 268.7°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#455FB8
RGB	rgb(69, 95, 184)
HSL	hsl(226, 45%, 50%)
HSV	hsv(226, 63%, 72%)
CMYK	cmyk(62.5%, 48.4%, 0%, 27.8%)
CIE-LAB	lab(42.63, 18.67, -50.10)
CIE-LCH	lch(42.63, 53.47, 290.44°)
OKLab	oklab(51.22% -0.0033 -0.1433)
OKLCH	oklch(51.22% 0.143 268.7)
XYZ	xyz(15.1952, 12.9090, 47.0290)
Luminance	0.1291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455FB8 #B89E45

analogous

#4599B8 #455FB8 #6545B8

triadic

#455FB8 #B8455F #5FB845

tetradic

#455FB8 #B84599 #B89E45 #45B865

square

#455FB8 #B84599 #B89E45 #45B865

split-complementary

#455FB8 #B86545 #99B845

monochromatic

#24315F #34488B #455FB8 #7185CA #9DABDA

Accessibility & contrast

On white

5.86

#455FB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#455FB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455FB8

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455FB8	#FFFFFF	#000000	##FFFFFF
##455FB8	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#326ABB

Deuteranopia (green-blind)

#1B60B6

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #455fb8;
/* rgb */ color: rgb(69, 95, 184);
/* oklch */ color: oklch(51.2% 0.143 268.7);

Tailwind

colors: {
  custom: {
    50: '#848cce',
    500: '#455fb8',
    950: '#000000',
  },
}

SCSS

$custom: #455fb8;
$custom-light: #848cce;
$custom-dark: #000000;

JSON

{
  "hex": "#455fb8",
  "rgb": {
    "r": 69,
    "g": 95,
    "b": 184
  },
  "hsl": {
    "h": 226.435,
    "s": 45.455,
    "l": 49.608
  },
  "oklch": {
    "l": 0.51219,
    "c": 0.14336,
    "h": 268.7
  },
  "luminance": 0.1291
}

Semantic roles & 50–950 ramp

primary

#455FB8

secondary

#C7BB92

accent

#B853D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #455FB8

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

Preview Lab → · Contrast checker → · Palette generator →