#4263AA#4263AA

#4263AA is a mid, moderate blue. Relative luminance 0.130; OKLCH L 51.0% C 0.119 H 263.9°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#4263AA
RGB	rgb(66, 99, 170)
HSL	hsl(221, 44%, 46%)
HSV	hsv(221, 61%, 67%)
CMYK	cmyk(61.2%, 41.8%, 0%, 33.3%)
CIE-LAB	lab(42.74, 10.64, -41.72)
CIE-LCH	lch(42.74, 43.05, 284.31°)
OKLab	oklab(50.99% -0.0127 -0.1187)
OKLCH	oklch(50.99% 0.119 263.9)
XYZ	xyz(13.9618, 12.9830, 39.7926)
Luminance	0.1298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4263AA #AA8942

analogous

#4297AA #4263AA #5542AA

triadic

#4263AA #AA4263 #63AA42

tetradic

#4263AA #AA4297 #AA8942 #42AA55

square

#4263AA #AA4297 #AA8942 #42AA55

split-complementary

#4263AA #AA5542 #97AA42

monochromatic

#203052 #31497E #4263AA #6683C3 #92A7D5

Accessibility & contrast

On white

5.84

#4263AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#4263AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4263AA

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4263AA	#FFFFFF	#000000	##FFFFFF
##4263AA	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#446AAD

Deuteranopia (green-blind)

#3560A9

Tritanopia (blue-blind)

#00737E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4263aa;
/* rgb */ color: rgb(66, 99, 170);
/* oklch */ color: oklch(51.0% 0.119 263.9);

Tailwind

colors: {
  custom: {
    50: '#808fc4',
    500: '#4263aa',
    950: '#000000',
  },
}

SCSS

$custom: #4263aa;
$custom-light: #808fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#4263aa",
  "rgb": {
    "r": 66,
    "g": 99,
    "b": 170
  },
  "hsl": {
    "h": 220.962,
    "s": 44.068,
    "l": 46.275
  },
  "oklch": {
    "l": 0.50989,
    "c": 0.11939,
    "h": 263.9
  },
  "luminance": 0.12984
}

Semantic roles & 50–950 ramp

primary

#4263AA

secondary

#C0AE88

accent

#AB54D4

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C12

muted

#7C7D81

Preview Lab

Preview with #4263AA

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

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