#456FCB#456FCB

#456FCB is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.9% C 0.150 H 263.8°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#456FCB
RGB	rgb(69, 111, 203)
HSL	hsl(221, 56%, 53%)
HSV	hsv(221, 66%, 80%)
CMYK	cmyk(66%, 45.3%, 0%, 20.4%)
CIE-LAB	lab(48.19, 15.23, -52.16)
CIE-LCH	lch(48.19, 54.34, 286.28°)
OKLab	oklab(55.85% -0.0163 -0.1491)
OKLCH	oklch(55.85% 0.15 263.8)
XYZ	xyz(18.9144, 16.9441, 58.7621)
Luminance	0.1695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#456FCB #CBA145

analogous

#45B2CB #456FCB #5E45CB

triadic

#456FCB #CB456F #6FCB45

tetradic

#456FCB #CB45B2 #CBA145 #45CB5E

square

#456FCB #CB45B2 #CBA145 #45CB5E

split-complementary

#456FCB #CB5E45 #B2CB45

monochromatic

#213B75 #2E53A5 #456FCB #7594D8 #A5B9E6

Accessibility & contrast

On white

4.78

#456FCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#456FCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #456FCB

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##456FCB	#FFFFFF	#000000	##FFFFFF
##456FCB	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4279CE

Deuteranopia (green-blind)

#296DC9

Tritanopia (blue-blind)

#008493

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #456fcb;
/* rgb */ color: rgb(69, 111, 203);
/* oklch */ color: oklch(55.9% 0.150 263.8);

Tailwind

colors: {
  custom: {
    50: '#8697db',
    500: '#456fcb',
    950: '#000000',
  },
}

SCSS

$custom: #456fcb;
$custom-light: #8697db;
$custom-dark: #000000;

JSON

{
  "hex": "#456fcb",
  "rgb": {
    "r": 69,
    "g": 111,
    "b": 203
  },
  "hsl": {
    "h": 221.194,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.55851,
    "c": 0.15003,
    "h": 263.8
  },
  "luminance": 0.16946
}

Semantic roles & 50–950 ramp

primary

#456FCB

secondary

#D3C199

accent

#B048E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #456FCB

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

Preview Lab → · Contrast checker → · Palette generator →