#4263AC#4263AC

#4263AC is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.1% C 0.122 H 264.2°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#4263AC
RGB	rgb(66, 99, 172)
HSL	hsl(221, 45%, 47%)
HSV	hsv(221, 62%, 67%)
CMYK	cmyk(61.6%, 42.4%, 0%, 32.5%)
CIE-LAB	lab(42.85, 11.34, -42.71)
CIE-LCH	lch(42.85, 44.19, 284.87°)
OKLab	oklab(51.12% -0.0123 -0.1216)
OKLCH	oklch(51.12% 0.122 264.2)
XYZ	xyz(14.1524, 13.0593, 40.7966)
Luminance	0.1306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4263AC #AC8B42

analogous

#4298AC #4263AC #5642AC

triadic

#4263AC #AC4263 #63AC42

tetradic

#4263AC #AC4298 #AC8B42 #42AC56

square

#4263AC #AC4298 #AC8B42 #42AC56

split-complementary

#4263AC #AC5642 #98AC42

monochromatic

#203054 #314A80 #4263AC #6784C5 #93A8D6

Accessibility & contrast

On white

5.81

#4263AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#4263AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4263AC

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4263AC	#FFFFFF	#000000	##FFFFFF
##4263AC	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#426AAF

Deuteranopia (green-blind)

#3361AA

Tritanopia (blue-blind)

#00737F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4263ac;
/* rgb */ color: rgb(66, 99, 172);
/* oklch */ color: oklch(51.1% 0.122 264.2);

Tailwind

colors: {
  custom: {
    50: '#808fc5',
    500: '#4263ac',
    950: '#000000',
  },
}

SCSS

$custom: #4263ac;
$custom-light: #808fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#4263ac",
  "rgb": {
    "r": 66,
    "g": 99,
    "b": 172
  },
  "hsl": {
    "h": 221.321,
    "s": 44.538,
    "l": 46.667
  },
  "oklch": {
    "l": 0.51115,
    "c": 0.12224,
    "h": 264.2
  },
  "luminance": 0.1306
}

Semantic roles & 50–950 ramp

primary

#4263AC

secondary

#C1B089

accent

#AC54D4

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4263AC

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

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