#4263AD#4263AD

#4263AD is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.2% C 0.124 H 264.4°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#4263AD
RGB	rgb(66, 99, 173)
HSL	hsl(221, 45%, 47%)
HSV	hsv(221, 62%, 68%)
CMYK	cmyk(61.8%, 42.8%, 0%, 32.2%)
CIE-LAB	lab(42.91, 11.69, -43.21)
CIE-LCH	lch(42.91, 44.76, 285.14°)
OKLab	oklab(51.18% -0.0121 -0.1231)
OKLCH	oklch(51.18% 0.124 264.4)
XYZ	xyz(14.2488, 13.0978, 41.3043)
Luminance	0.1310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4263AD #AD8C42

analogous

#4299AD #4263AD #5642AD

triadic

#4263AD #AD4263 #63AD42

tetradic

#4263AD #AD4299 #AD8C42 #42AD56

square

#4263AD #AD4299 #AD8C42 #42AD56

split-complementary

#4263AD #AD5642 #99AD42

monochromatic

#203054 #314A81 #4263AD #6784C5 #93A8D6

Accessibility & contrast

On white

5.80

#4263AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#4263AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4263AD

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4263AD	#FFFFFF	#000000	##FFFFFF
##4263AD	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#426BB0

Deuteranopia (green-blind)

#3261AB

Tritanopia (blue-blind)

#00747F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4263ad;
/* rgb */ color: rgb(66, 99, 173);
/* oklch */ color: oklch(51.2% 0.124 264.4);

Tailwind

colors: {
  custom: {
    50: '#808fc6',
    500: '#4263ad',
    950: '#000000',
  },
}

SCSS

$custom: #4263ad;
$custom-light: #808fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#4263ad",
  "rgb": {
    "r": 66,
    "g": 99,
    "b": 173
  },
  "hsl": {
    "h": 221.495,
    "s": 44.77,
    "l": 46.863
  },
  "oklch": {
    "l": 0.51178,
    "c": 0.12368,
    "h": 264.4
  },
  "luminance": 0.13099
}

Semantic roles & 50–950 ramp

primary

#4263AD

secondary

#C1B089

accent

#AD53D4

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4263AD

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

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