#457BEF#457BEF

#457BEF is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.8% C 0.184 H 263.2°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#457BEF
RGB	rgb(69, 123, 239)
HSL	hsl(221, 84%, 60%)
HSV	hsv(221, 71%, 94%)
CMYK	cmyk(71.1%, 48.5%, 0%, 6.3%)
CIE-LAB	lab(53.66, 20.56, -63.68)
CIE-LCH	lch(53.66, 66.92, 287.89°)
OKLab	oklab(60.76% -0.0217 -0.1829)
OKLCH	oklch(60.76% 0.184 263.2)
XYZ	xyz(25.1117, 21.6605, 84.5021)
Luminance	0.2166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#457BEF #EFB945

analogous

#45D0EF #457BEF #6445EF

triadic

#457BEF #EF457B #7BEF45

tetradic

#457BEF #EF45D0 #EFB945 #45EF64

square

#457BEF #EF45D0 #EFB945 #45EF64

split-complementary

#457BEF #EF6445 #D0EF45

monochromatic

#0F40AB #1456E3 #457BEF #7DA3F4 #B6CBF9

Accessibility & contrast

On white

3.94

#457BEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#457BEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457BEF

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##457BEF	#FFFFFF	#000000	##000000
##457BEF	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3989F3

Deuteranopia (green-blind)

#0079ED

Tritanopia (blue-blind)

#0096AA

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #457bef;
/* rgb */ color: rgb(69, 123, 239);
/* oklch */ color: oklch(60.8% 0.184 263.2);

Tailwind

colors: {
  custom: {
    50: '#8da0f5',
    500: '#457bef',
    950: '#000000',
  },
}

SCSS

$custom: #457bef;
$custom-light: #8da0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#457bef",
  "rgb": {
    "r": 69,
    "g": 123,
    "b": 239
  },
  "hsl": {
    "h": 220.941,
    "s": 84.158,
    "l": 60.392
  },
  "oklch": {
    "l": 0.6076,
    "c": 0.18414,
    "h": 263.2
  },
  "luminance": 0.21663
}

Semantic roles & 50–950 ramp

primary

#457BEF

secondary

#E8D4A7

accent

#9B05E1

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #457BEF

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

Preview Lab → · Contrast checker → · Palette generator →